113320111131 has 16 divisors (see below), whose sum is σ = 173670669600. Its totient is φ = 72941680224.

The previous prime is 113320111117. The next prime is 113320111139. The reversal of 113320111131 is 131111023311.

It is not a de Polignac number, because 113320111131 - 2¹³ = 113320102939 is a prime.

It is a super-2 number, since 2×113320111131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (113320111139) 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, 72361996 + ... + 72363561.

It is an arithmetic number, because the mean of its divisors is an integer number (10854416850).

Almost surely, 2^113320111131 is an apocalyptic number.

113320111131 is a deficient number, since it is larger than the sum of its proper divisors (60350558469).

113320111131 is a wasteful number, since it uses less digits than its factorization.

113320111131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144725595 (or 144725589 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 113320111131 its reverse (131111023311), we get a palindrome (244431134442).

The spelling of 113320111131 in words is "one hundred thirteen billion, three hundred twenty million, one hundred eleven thousand, one hundred thirty-one".