331230112231 has 4 divisors (see below), whose sum is σ = 331232097952. Its totient is φ = 331228126512.

The previous prime is 331230112223. The next prime is 331230112243. The reversal of 331230112231 is 132211032133.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 331230112231 - 2³ = 331230112223 is a prime.

It is a super-2 number, since 2×331230112231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331230112211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 717126 + ... + 1084771.

It is an arithmetic number, because the mean of its divisors is an integer number (82808024488).

Almost surely, 2^331230112231 is an apocalyptic number.

331230112231 is a deficient number, since it is larger than the sum of its proper divisors (1985721).

331230112231 is a wasteful number, since it uses less digits than its factorization.

331230112231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1985720.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 331230112231 its reverse (132211032133), we get a palindrome (463441144364).

The spelling of 331230112231 in words is "three hundred thirty-one billion, two hundred thirty million, one hundred twelve thousand, two hundred thirty-one".