Q: What is the negative version of the number 30,991,513?
A: -30,991,513
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:
| 30,991,511 | 30,991,512 | 30,991,514 | 30,991,515 |
| -30,991,511 | -30,991,512 | -30,991,514 | -30,991,515 |