113723031 has 16 divisors (see below), whose sum is σ = 156078720. Its totient is φ = 73622880.

The previous prime is 113723011. The next prime is 113723111. The reversal of 113723031 is 130327311.

It is not a de Polignac number, because 113723031 - 2⁶ = 113722967 is a prime.

It is a super-2 number, since 2×113723031² = 25865855559653922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 113722989 and 113723007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113723011) 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, 10821 + ... + 18561.

It is an arithmetic number, because the mean of its divisors is an integer number (9754920).

Almost surely, 2^113723031 is an apocalyptic number.

113723031 is a deficient number, since it is larger than the sum of its proper divisors (42355689).

113723031 is an equidigital number, since it uses as much as digits as its factorization.

113723031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7886.

The product of its (nonzero) digits is 378, while the sum is 21.

The square root of 113723031 is about 10664.1001026810. The cubic root of 113723031 is about 484.4877590332.

The spelling of 113723031 in words is "one hundred thirteen million, seven hundred twenty-three thousand, thirty-one".