Q: What is the negative version of the number 231,513,409?
A: -231,513,409
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:
| 231,513,407 | 231,513,408 | 231,513,410 | 231,513,411 |
| -231,513,407 | -231,513,408 | -231,513,410 | -231,513,411 |