Q: What is the negative version of the number 631,017,521?
A: -631,017,521
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:
| 631,017,519 | 631,017,520 | 631,017,522 | 631,017,523 |
| -631,017,519 | -631,017,520 | -631,017,522 | -631,017,523 |