Q: What is the negative version of the number 231,665,421?
A: -231,665,421
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:
| 231,665,419 | 231,665,420 | 231,665,422 | 231,665,423 |
| -231,665,419 | -231,665,420 | -231,665,422 | -231,665,423 |