Q: What is the negative version of the number 31,221,513?
A: -31,221,513
Negative numbers are usually written with - in front of them. They represent a number that is less than zero.
Here are more examples of negative numbers in sequence:
| 31,221,511 | 31,221,512 | 31,221,514 | 31,221,515 |
| -31,221,511 | -31,221,512 | -31,221,514 | -31,221,515 |