113900731 has 16 divisors (see below), whose sum is σ = 138115584. Its totient is φ = 91695744.

The previous prime is 113900711. The next prime is 113900767. The reversal of 113900731 is 137009311.

It is not a de Polignac number, because 113900731 - 2¹¹ = 113898683 is a prime.

It is a super-2 number, since 2×113900731² = 25946753044668722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113900696 and 113900705.

It is not an unprimeable number, because it can be changed into a prime (113900711) 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, 97356 + ... + 98518.

It is an arithmetic number, because the mean of its divisors is an integer number (8632224).

Almost surely, 2^113900731 is an apocalyptic number.

113900731 is a deficient number, since it is larger than the sum of its proper divisors (24214853).

113900731 is a wasteful number, since it uses less digits than its factorization.

113900731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010.

The product of its (nonzero) digits is 567, while the sum is 25.

The square root of 113900731 is about 10672.4285427451. The cubic root of 113900731 is about 484.7399761101.

The spelling of 113900731 in words is "one hundred thirteen million, nine hundred thousand, seven hundred thirty-one".