113210031 has 16 divisors (see below), whose sum is σ = 165725568. Its totient is φ = 68172000.

The previous prime is 113210023. The next prime is 113210033. The reversal of 113210031 is 130012311.

It is not a de Polignac number, because 113210031 - 2³ = 113210023 is a prime.

It is a super-2 number, since 2×113210031² = 25633022238041922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 113209989 and 113210016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113210033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5745 + ... + 16106.

It is an arithmetic number, because the mean of its divisors is an integer number (10357848).

Almost surely, 2^113210031 is an apocalyptic number.

113210031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

113210031 is a deficient number, since it is larger than the sum of its proper divisors (52515537).

113210031 is a wasteful number, since it uses less digits than its factorization.

113210031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22022.

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

The square root of 113210031 is about 10640.0202537401. The cubic root of 113210031 is about 483.7581592946.

Adding to 113210031 its reverse (130012311), we get a palindrome (243222342).

The spelling of 113210031 in words is "one hundred thirteen million, two hundred ten thousand, thirty-one".