113511013031 has 36 divisors (see below), whose sum is σ = 126157911768. Its totient is φ = 102080564352.

The previous prime is 113511013009. The next prime is 113511013037. The reversal of 113511013031 is 130310115311.

It is not a de Polignac number, because 113511013031 - 2³⁴ = 96331143847 is a prime.

It is a super-2 number, since 2×113511013031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113511012994 and 113511013012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113511013037) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 74530436 + ... + 74531958.

It is an arithmetic number, because the mean of its divisors is an integer number (3504386438).

Almost surely, 2^113511013031 is an apocalyptic number.

113511013031 is a deficient number, since it is larger than the sum of its proper divisors (12646898737).

113511013031 is a wasteful number, since it uses less digits than its factorization.

113511013031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1812 (or 1746 counting only the distinct ones).

The product of its (nonzero) digits is 135, while the sum is 20.

Adding to 113511013031 its reverse (130310115311), we get a palindrome (243821128342).

The spelling of 113511013031 in words is "one hundred thirteen billion, five hundred eleven million, thirteen thousand, thirty-one".