320112130031 has 32 divisors (see below), whose sum is σ = 340183646208. Its totient is φ = 300620073600.

The previous prime is 320112130027. The next prime is 320112130061. The reversal of 320112130031 is 130031211023.

It is a cyclic number.

It is not a de Polignac number, because 320112130031 - 2² = 320112130027 is a prime.

It is a super-2 number, since 2×320112130031² (a number of 24 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 = 320112129991 and 320112130009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320112130061) 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, 129232565 + ... + 129235041.

It is an arithmetic number, because the mean of its divisors is an integer number (10630738944).

Almost surely, 2^320112130031 is an apocalyptic number.

320112130031 is a deficient number, since it is larger than the sum of its proper divisors (20071516177).

320112130031 is a wasteful number, since it uses less digits than its factorization.

320112130031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3071.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 320112130031 its reverse (130031211023), we get a palindrome (450143341054).

The spelling of 320112130031 in words is "three hundred twenty billion, one hundred twelve million, one hundred thirty thousand, thirty-one".