Q: What is the negative version of the number 231,513,521?
A: -231,513,521
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:
| 231,513,519 | 231,513,520 | 231,513,522 | 231,513,523 |
| -231,513,519 | -231,513,520 | -231,513,522 | -231,513,523 |