"三十一" meaning in Japanese

{
  "forms": [
    {
      "form": "三十一",
      "ruby": [
        [
          "三",
          "さん"
        ],
        [
          "十",
          "じゅう"
        ],
        [
          "一",
          "いち"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "sanjūichi",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "さんじゅういち"
      },
      "expansion": "三(さん)十(じゅう)一(いち) • (sanjūichi)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "num",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [
            "Links with redundant wikilinks",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with 3 kanji",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with multiple readings",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [
            "Terms with redundant sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 3 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "ja",
          "name": "Numbers",
          "orig": "ja:Numbers",
          "parents": [
            "All topics",
            "Terms by semantic function",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "thirty-one; 31"
      ],
      "id": "en-三十一-ja-num-KPTNsYM7",
      "links": [
        [
          "thirty-one",
          "thirty-one"
        ],
        [
          "31",
          "31"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[sã̠ɲ̟d͡ʑɨːit͡ɕi]"
    }
  ],
  "word": "三十一"
}

{
  "forms": [
    {
      "form": "三十一",
      "ruby": [
        [
          "三",
          "さん"
        ],
        [
          "十",
          "じゅう"
        ],
        [
          "一",
          "いち"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "sanjūichi",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "さんじゅういち"
      },
      "expansion": "三(さん)十(じゅう)一(いち) • (sanjūichi)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "num",
  "senses": [
    {
      "categories": [
        "Japanese entries with incorrect language header",
        "Japanese lemmas",
        "Japanese links with redundant wikilinks",
        "Japanese nouns",
        "Japanese terms spelled with first grade kanji",
        "Japanese terms with 3 kanji",
        "Japanese terms with IPA pronunciation",
        "Japanese terms with IPA pronunciation missing pitch accent",
        "Japanese terms with multiple readings",
        "Japanese terms with non-redundant non-automated sortkeys",
        "Japanese terms with redundant sortkeys",
        "Pages with 3 entries",
        "Pages with entries",
        "ja:Numbers"
      ],
      "glosses": [
        "thirty-one; 31"
      ],
      "links": [
        [
          "thirty-one",
          "thirty-one"
        ],
        [
          "31",
          "31"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[sã̠ɲ̟d͡ʑɨːit͡ɕi]"
    }
  ],
  "word": "三十一"
}

{
  "called_from": "parser/1336",
  "msg": "no corresponding start tag found for </span>",
  "path": [
    "三十一"
  ],
  "section": "Japanese",
  "subsection": "numeral",
  "title": "三十一",
  "trace": ""
}