113023031 has 4 divisors (see below), whose sum is σ = 123297864. Its totient is φ = 102748200.

The previous prime is 113023007. The next prime is 113023051. The reversal of 113023031 is 130320311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113023031 - 2⁶ = 113022967 is a prime.

It is a super-2 number, since 2×113023031² = 25548411072853922, 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 = 113022997 and 113023015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113023051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5137400 + ... + 5137421.

It is an arithmetic number, because the mean of its divisors is an integer number (30824466).

Almost surely, 2^113023031 is an apocalyptic number.

113023031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

113023031 is a deficient number, since it is larger than the sum of its proper divisors (10274833).

113023031 is a wasteful number, since it uses less digits than its factorization.

113023031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10274832.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 113023031 is about 10631.2290446589. The cubic root of 113023031 is about 483.4916557305.

Adding to 113023031 its reverse (130320311), we get a palindrome (243343342).

The spelling of 113023031 in words is "one hundred thirteen million, twenty-three thousand, thirty-one".