113200931 has 2 divisors, whose sum is σ = 113200932. Its totient is φ = 113200930.

The previous prime is 113200921. The next prime is 113200973. The reversal of 113200931 is 139002311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113200931 - 2²² = 109006627 is a prime.

It is a super-2 number, since 2×113200931² = 25628901558533522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (113200921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56600465 + 56600466.

It is an arithmetic number, because the mean of its divisors is an integer number (56600466).

Almost surely, 2^113200931 is an apocalyptic number.

113200931 is a deficient number, since it is larger than the sum of its proper divisors (1).

113200931 is an equidigital number, since it uses as much as digits as its factorization.

113200931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 113200931 is about 10639.5926143814. The cubic root of 113200931 is about 483.7451972005.

The spelling of 113200931 in words is "one hundred thirteen million, two hundred thousand, nine hundred thirty-one".