6931313 has 2 divisors, whose sum is σ = 6931314. Its totient is φ = 6931312.

The previous prime is 6931297. The next prime is 6931339. The reversal of 6931313 is 3131396.

6931313 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (6931339) can be obtained adding 6931313 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6512704 + 418609 = 2552^2 + 647^2 .

It is a cyclic number.

It is not a de Polignac number, because 6931313 - 2⁴ = 6931297 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6931363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3465656 + 3465657.

It is an arithmetic number, because the mean of its divisors is an integer number (3465657).

Almost surely, 2^6931313 is an apocalyptic number.

It is an amenable number.

6931313 is a deficient number, since it is larger than the sum of its proper divisors (1).

6931313 is an equidigital number, since it uses as much as digits as its factorization.

6931313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1458, while the sum is 26.

The square root of 6931313 is about 2632.7386881345. The cubic root of 6931313 is about 190.6653772034.

It can be divided in two parts, 693 and 1313, that multiplied together give a palindrome (909909).

The spelling of 6931313 in words is "six million, nine hundred thirty-one thousand, three hundred thirteen".