331232232232 has 32 divisors (see below), whose sum is σ = 678577564800. Its totient is φ = 150325196800.

The previous prime is 331232232193. The next prime is 331232232329. The reversal of 331232232232 is 232232232133.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 331232232232.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2879632 + ... + 2992447.

It is an arithmetic number, because the mean of its divisors is an integer number (21205548900).

Almost surely, 2^331232232232 is an apocalyptic number.

It is an amenable number.

331232232232 is an abundant number, since it is smaller than the sum of its proper divisors (347345332568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

331232232232 is a wasteful number, since it uses less digits than its factorization.

331232232232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5872737 (or 5872733 counting only the distinct ones).

The product of its digits is 15552, while the sum is 28.

Adding to 331232232232 its reverse (232232232133), we get a palindrome (563464464365).

Subtracting from 331232232232 its reverse (232232232133), we obtain a palindrome (99000000099).

The spelling of 331232232232 in words is "three hundred thirty-one billion, two hundred thirty-two million, two hundred thirty-two thousand, two hundred thirty-two".