113900831 has 16 divisors (see below), whose sum is σ = 126478368. Its totient is φ = 101712000.

The previous prime is 113900803. The next prime is 113900849. The reversal of 113900831 is 138009311.

It is a cyclic number.

It is not a de Polignac number, because 113900831 - 2⁶ = 113900767 is a prime.

It is a super-2 number, since 2×113900831² = 25946798604981122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113900831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113900861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174101 + ... + 174753.

It is an arithmetic number, because the mean of its divisors is an integer number (7904898).

Almost surely, 2^113900831 is an apocalyptic number.

113900831 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

113900831 is a deficient number, since it is larger than the sum of its proper divisors (12577537).

113900831 is a wasteful number, since it uses less digits than its factorization.

113900831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 113900831 is about 10672.4332277134. The cubic root of 113900831 is about 484.7401179704.

The spelling of 113900831 in words is "one hundred thirteen million, nine hundred thousand, eight hundred thirty-one".