Q: What is the negative version of the number 231,211,509?
A: -231,211,509
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:
| 231,211,507 | 231,211,508 | 231,211,510 | 231,211,511 |
| -231,211,507 | -231,211,508 | -231,211,510 | -231,211,511 |