113222023031 has 6 divisors (see below), whose sum is σ = 122601362400. Its totient is φ = 104512636488.

The previous prime is 113222023027. The next prime is 113222023043. The reversal of 113222023031 is 130320222311.

It is not a de Polignac number, because 113222023031 - 2² = 113222023027 is a prime.

It is a super-2 number, since 2×113222023031² (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 = 113222022994 and 113222023012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113222023021) 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, 334976231 + ... + 334976568.

It is an arithmetic number, because the mean of its divisors is an integer number (20433560400).

Almost surely, 2^113222023031 is an apocalyptic number.

113222023031 is a deficient number, since it is larger than the sum of its proper divisors (9379339369).

113222023031 is an equidigital number, since it uses as much as digits as its factorization.

113222023031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669952825 (or 669952812 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 113222023031 its reverse (130320222311), we get a palindrome (243542245342).

The spelling of 113222023031 in words is "one hundred thirteen billion, two hundred twenty-two million, twenty-three thousand, thirty-one".