113112913 has 2 divisors, whose sum is σ = 113112914. Its totient is φ = 113112912.

The previous prime is 113112889. The next prime is 113112977. The reversal of 113112913 is 319211311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85895824 + 27217089 = 9268^2 + 5217^2 .

It is a cyclic number.

It is not a de Polignac number, because 113112913 - 2⁹ = 113112401 is a prime.

It is not a weakly prime, because it can be changed into another prime (113112983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56556456 + 56556457.

It is an arithmetic number, because the mean of its divisors is an integer number (56556457).

Almost surely, 2^113112913 is an apocalyptic number.

It is an amenable number.

113112913 is a deficient number, since it is larger than the sum of its proper divisors (1).

113112913 is an equidigital number, since it uses as much as digits as its factorization.

113112913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 162, while the sum is 22.

The square root of 113112913 is about 10635.4554674447. The cubic root of 113112913 is about 483.6197879700.

The spelling of 113112913 in words is "one hundred thirteen million, one hundred twelve thousand, nine hundred thirteen".