220113120031 has 32 divisors (see below), whose sum is σ = 260315596800. Its totient is φ = 182217655296.

The previous prime is 220113119959. The next prime is 220113120089. The reversal of 220113120031 is 130021311022.

It is a cyclic number.

It is not a de Polignac number, because 220113120031 - 2⁹ = 220113119519 is a prime.

It is a super-2 number, since 2×220113120031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220113119987 and 220113120014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229113120031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11127756 + ... + 11147518.

It is an arithmetic number, because the mean of its divisors is an integer number (8134862400).

Almost surely, 2^220113120031 is an apocalyptic number.

220113120031 is a deficient number, since it is larger than the sum of its proper divisors (40202476769).

220113120031 is a wasteful number, since it uses less digits than its factorization.

220113120031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20263.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 220113120031 its reverse (130021311022), we get a palindrome (350134431053).

The spelling of 220113120031 in words is "two hundred twenty billion, one hundred thirteen million, one hundred twenty thousand, thirty-one".