Q: What is the negative version of the number 31,640,621?
A: -31,640,621
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:
| 31,640,619 | 31,640,620 | 31,640,622 | 31,640,623 |
| -31,640,619 | -31,640,620 | -31,640,622 | -31,640,623 |