113200131 has 32 divisors (see below), whose sum is σ = 171295488. Its totient is φ = 65888640.

The previous prime is 113200117. The next prime is 113200141. The reversal of 113200131 is 131002311.

It is not a de Polignac number, because 113200131 - 2¹¹ = 113198083 is a prime.

It is a super-2 number, since 2×113200131² = 25628539316834322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (113200141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100785 + ... + 101901.

It is an arithmetic number, because the mean of its divisors is an integer number (5352984).

Almost surely, 2^113200131 is an apocalyptic number.

113200131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

113200131 is a deficient number, since it is larger than the sum of its proper divisors (58095357).

113200131 is a wasteful number, since it uses less digits than its factorization.

113200131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 113200131 is about 10639.5550188906. Note that the first 3 decimals coincide. The cubic root of 113200131 is about 483.7440576426.

Adding to 113200131 its reverse (131002311), we get a palindrome (244202442).

The spelling of 113200131 in words is "one hundred thirteen million, two hundred thousand, one hundred thirty-one".