> For the complete documentation index, see [llms.txt](https://max-daunarovich.gitbook.io/flow-network/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://max-daunarovich.gitbook.io/flow-network/introduction/values-and-types/integers/integer-functions.md).

# Integer Functions

Integers have multiple built-in functions you can use.

```
  fun toString(): String
```

Returns the string representation of the integer.

```
    let answer = 42

    answer.toString()  // is "42"
```

\-

```
  fun toBigEndianBytes(): [UInt8]
```

Returns the byte array representation (`[UInt8]`) in big-endian order of the integer.

```
    let largeNumber = 1234567890

    largeNumber.toBigEndianBytes()  // is `[73, 150, 2, 210]`
```