113308631 has 2 divisors, whose sum is σ = 113308632. Its totient is φ = 113308630.

The previous prime is 113308619. The next prime is 113308651. The reversal of 113308631 is 136803311.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (136803311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113308631 - 2²⁶ = 46199767 is a prime.

It is a super-2 number, since 2×113308631² = 25677691718188322, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113308631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113308651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56654315 + 56654316.

It is an arithmetic number, because the mean of its divisors is an integer number (56654316).

Almost surely, 2^113308631 is an apocalyptic number.

113308631 is a deficient number, since it is larger than the sum of its proper divisors (1).

113308631 is an equidigital number, since it uses as much as digits as its factorization.

113308631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 113308631 is about 10644.6526951329. The cubic root of 113308631 is about 483.8985612040.

The spelling of 113308631 in words is "one hundred thirteen million, three hundred eight thousand, six hundred thirty-one".