"31" meaning in Translingual

{
  "forms": [
    {
      "form": "30",
      "tags": [
        "previous"
      ]
    },
    {
      "form": "32",
      "tags": [
        "next"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "mul",
        "2": "numeral symbol",
        "3": "previous",
        "4": "30",
        "5": "next",
        "6": "32"
      },
      "expansion": "31 (previous 30, next 32)",
      "name": "head"
    }
  ],
  "lang": "Translingual",
  "lang_code": "mul",
  "pos": "symbol",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Hindu-Arabic script",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Translingual entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "name": "Translingual numeral symbols",
          "parents": [
            "Numeral symbols",
            "Symbols",
            "Letters, symbols, and punctuation",
            "Orthography",
            "Writing",
            "Human behaviour",
            "Language",
            "Human",
            "Communication",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "The cardinal number thirty-one."
      ],
      "id": "en-31-mul-symbol-qUf2Txkk",
      "links": [
        [
          "thirty-one",
          "thirty-one"
        ]
      ],
      "wikipedia": [
        "31"
      ]
    }
  ],
  "word": "31"
}

{
  "forms": [
    {
      "form": "30",
      "tags": [
        "previous"
      ]
    },
    {
      "form": "32",
      "tags": [
        "next"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "mul",
        "2": "numeral symbol",
        "3": "previous",
        "4": "30",
        "5": "next",
        "6": "32"
      },
      "expansion": "31 (previous 30, next 32)",
      "name": "head"
    }
  ],
  "lang": "Translingual",
  "lang_code": "mul",
  "pos": "symbol",
  "senses": [
    {
      "categories": [
        "Hindu-Arabic script",
        "Pages with 1 entry",
        "Pages with entries",
        "Translingual entries with incorrect language header",
        "Translingual lemmas",
        "Translingual numeral symbols",
        "Translingual terms spelled with numbers"
      ],
      "glosses": [
        "The cardinal number thirty-one."
      ],
      "links": [
        [
          "thirty-one",
          "thirty-one"
        ]
      ],
      "wikipedia": [
        "31"
      ]
    }
  ],
  "word": "31"
}