Q: What is the negative version of the number 13,221,231?
A: -13,221,231
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:
| 13,221,229 | 13,221,230 | 13,221,232 | 13,221,233 |
| -13,221,229 | -13,221,230 | -13,221,232 | -13,221,233 |