Q: What is the negative version of the number 811,721,231?
A: -811,721,231
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:
| 811,721,229 | 811,721,230 | 811,721,232 | 811,721,233 |
| -811,721,229 | -811,721,230 | -811,721,232 | -811,721,233 |