Sum of Digits of 31
ANSWER : 4
The sum of the digits in the number 31 is: 3 + 1 = 4
How to Calculate the Digit Sum of 31?
To find the sum of digits of a number, simply break it into individual digits and add them. For 31:
3 + 1 = 4
The digits of 31 are: 3, 1.
Their sum is: 4
Step-by-Step Digit Sum of 31
We split the number 31 into its individual digits: 3 + 1 = 4
Digit Positions in 31
| Position | Digit |
|---|---|
| 1 | 3 |
| 2 | 1 |
Length of 31
The number 31 has 2 digits.
Is 4 a Prime Number?
No, 4 is not a prime number.
Digit Sums in Other Bases
- Binary: 11111 → 5
- Octal: 37 → 10
- Hexadecimal: 1F → 16