113122202031 has 6 divisors (see below), whose sum is σ = 163398736280. Its totient is φ = 75414801348.

The previous prime is 113122202027. The next prime is 113122202047. The reversal of 113122202031 is 130202221311.

It is not a de Polignac number, because 113122202031 - 2² = 113122202027 is a prime.

It is a super-2 number, since 2×113122202031² (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 = 113122201995 and 113122202013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113122200031) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6284566771 + ... + 6284566788.

Almost surely, 2^113122202031 is an apocalyptic number.

113122202031 is a deficient number, since it is larger than the sum of its proper divisors (50276534249).

113122202031 is a wasteful number, since it uses less digits than its factorization.

113122202031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12569133565 (or 12569133562 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 113122202031 its reverse (130202221311), we get a palindrome (243324423342).

The spelling of 113122202031 in words is "one hundred thirteen billion, one hundred twenty-two million, two hundred two thousand, thirty-one".