113011031 has 16 divisors (see below), whose sum is σ = 136953600. Its totient is φ = 91093248.

The previous prime is 113011007. The next prime is 113011033. The reversal of 113011031 is 130110311.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 113011031 - 2¹⁸ = 112748887 is a prime.

It is a super-2 number, since 2×113011031² = 25542986255365922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113011033) 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, 15431 + ... + 21543.

It is an arithmetic number, because the mean of its divisors is an integer number (8559600).

Almost surely, 2^113011031 is an apocalyptic number.

113011031 is a deficient number, since it is larger than the sum of its proper divisors (23942569).

113011031 is a wasteful number, since it uses less digits than its factorization.

113011031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6278.

The product of its (nonzero) digits is 9, while the sum is 11.

The square root of 113011031 is about 10630.6646546676. The cubic root of 113011031 is about 483.4745438635.

Adding to 113011031 its reverse (130110311), we get a palindrome (243121342).

The spelling of 113011031 in words is "one hundred thirteen million, eleven thousand, thirty-one".