113011223031 has 64 divisors (see below), whose sum is σ = 195592320000. Its totient is φ = 63151291008.

The previous prime is 113011223009. The next prime is 113011223053. The reversal of 113011223031 is 130322110311.

It is an interprime number because it is at equal distance from previous prime (113011223009) and next prime (113011223053).

It is not a de Polignac number, because 113011223031 - 2⁷ = 113011222903 is a prime.

It is a super-2 number, since 2×113011223031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 113011222995 and 113011223013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113011221031) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3056845 + ... + 3093593.

It is an arithmetic number, because the mean of its divisors is an integer number (3056130000).

Almost surely, 2^113011223031 is an apocalyptic number.

113011223031 is a deficient number, since it is larger than the sum of its proper divisors (82581096969).

113011223031 is a wasteful number, since it uses less digits than its factorization.

113011223031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37125 (or 37119 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 113011223031 its reverse (130322110311), we get a palindrome (243333333342).

The spelling of 113011223031 in words is "one hundred thirteen billion, eleven million, two hundred twenty-three thousand, thirty-one".