Q: What is the negative version of the number 31,221,581?
A: -31,221,581
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:
| 31,221,579 | 31,221,580 | 31,221,582 | 31,221,583 |
| -31,221,579 | -31,221,580 | -31,221,582 | -31,221,583 |