113813291 has 2 divisors, whose sum is σ = 113813292. Its totient is φ = 113813290.

The previous prime is 113813279. The next prime is 113813327. The reversal of 113813291 is 192318311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113813291 - 2¹⁸ = 113551147 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (113813191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56906645 + 56906646.

It is an arithmetic number, because the mean of its divisors is an integer number (56906646).

Almost surely, 2^113813291 is an apocalyptic number.

113813291 is a deficient number, since it is larger than the sum of its proper divisors (1).

113813291 is an equidigital number, since it uses as much as digits as its factorization.

113813291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 29.

The square root of 113813291 is about 10668.3312190801. The cubic root of 113813291 is about 484.6159016520.

The spelling of 113813291 in words is "one hundred thirteen million, eight hundred thirteen thousand, two hundred ninety-one".