113913013 has 2 divisors, whose sum is σ = 113913014. Its totient is φ = 113913012.

The previous prime is 113912993. The next prime is 113913049. The reversal of 113913013 is 310319311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113699569 + 213444 = 10663^2 + 462^2 .

It is a cyclic number.

It is not a de Polignac number, because 113913013 - 2⁹ = 113912501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113913913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56956506 + 56956507.

It is an arithmetic number, because the mean of its divisors is an integer number (56956507).

Almost surely, 2^113913013 is an apocalyptic number.

It is an amenable number.

113913013 is a deficient number, since it is larger than the sum of its proper divisors (1).

113913013 is an equidigital number, since it uses as much as digits as its factorization.

113913013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 243, while the sum is 22.

The square root of 113913013 is about 10673.0039351628. The cubic root of 113913013 is about 484.7573987739.

The spelling of 113913013 in words is "one hundred thirteen million, nine hundred thirteen thousand, thirteen".