Q: What is the digital root of 31

 A: 4

Why is 4 the digital root of the number 31?

The digital root of a number is calculated by splitting the digits of a number and then adding them together. You keep splitting and adding the digits until you reach a single positive number.

How do you calculate the digital root of 31?


Split the number up and add each digit together:


3 + 1 = 4


What is the digital root of number 31?

Answer: 4


More Examples

Number 29303233
Digital Root 2356

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