113013131 has 8 divisors (see below), whose sum is σ = 140899584. Its totient is φ = 88062120.

The previous prime is 113013091. The next prime is 113013149. The reversal of 113013131 is 131310311.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113013131 - 2⁶ = 113013067 is a prime.

It is a super-2 number, since 2×113013131² = 25543935556846322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (113013151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 733775 + ... + 733928.

It is an arithmetic number, because the mean of its divisors is an integer number (17612448).

Almost surely, 2^113013131 is an apocalyptic number.

113013131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

113013131 is a deficient number, since it is larger than the sum of its proper divisors (27886453).

113013131 is a wasteful number, since it uses less digits than its factorization.

113013131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1467721.

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 113013131 is about 10630.7634250791. The cubic root of 113013131 is about 483.4775385276.

Adding to 113013131 its reverse (131310311), we get a palindrome (244323442).

The spelling of 113013131 in words is "one hundred thirteen million, thirteen thousand, one hundred thirty-one".