Q: What is the negative version of the number 21,731,531?
A: -21,731,531
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:
| 21,731,529 | 21,731,530 | 21,731,532 | 21,731,533 |
| -21,731,529 | -21,731,530 | -21,731,532 | -21,731,533 |