113130011231 has 16 divisors (see below), whose sum is σ = 123726516480. Its totient is φ = 102975805440.

The previous prime is 113130011191. The next prime is 113130011237. The reversal of 113130011231 is 132110031311.

It is a de Polignac number, because none of the positive numbers 2^k-113130011231 is a prime.

It is a super-2 number, since 2×113130011231² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113130011237) 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, 781235 + ... + 914651.

It is an arithmetic number, because the mean of its divisors is an integer number (7732907280).

Almost surely, 2^113130011231 is an apocalyptic number.

113130011231 is a deficient number, since it is larger than the sum of its proper divisors (10596505249).

113130011231 is a wasteful number, since it uses less digits than its factorization.

113130011231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135074.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 113130011231 its reverse (132110031311), we get a palindrome (245240042542).

The spelling of 113130011231 in words is "one hundred thirteen billion, one hundred thirty million, eleven thousand, two hundred thirty-one".