331022131232 has 48 divisors (see below), whose sum is σ = 706953548952. Its totient is φ = 151664240640.

The previous prime is 331022131201. The next prime is 331022131247. The reversal of 331022131232 is 232131220133.

It can be written as a sum of positive squares in 4 ways, for example, as 323037636496 + 7984494736 = 568364^2 + 89356^2 .

It is a junction number, because it is equal to n+sod(n) for n = 331022131198 and 331022131207.

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, 2847119 + ... + 2961102.

Almost surely, 2^331022131232 is an apocalyptic number.

331022131232 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

331022131232 is an abundant number, since it is smaller than the sum of its proper divisors (375931417720).

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

331022131232 is a wasteful number, since it uses less digits than its factorization.

331022131232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5808381 (or 5808373 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 331022131232 its reverse (232131220133), we get a palindrome (563153351365).

The spelling of 331022131232 in words is "three hundred thirty-one billion, twenty-two million, one hundred thirty-one thousand, two hundred thirty-two".