331320233312 has 48 divisors (see below), whose sum is σ = 658583790480. Its totient is φ = 164062305792.

The previous prime is 331320233311. The next prime is 331320233359. The reversal of 331320233312 is 213332023133.

It is a happy number.

It is a super-2 number, since 2×331320233312² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331320233311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7697483 + ... + 7740405.

It is an arithmetic number, because the mean of its divisors is an integer number (13720495635).

Almost surely, 2^331320233312 is an apocalyptic number.

331320233312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

331320233312 is a deficient number, since it is larger than the sum of its proper divisors (327263557168).

331320233312 is a wasteful number, since it uses less digits than its factorization.

331320233312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45255 (or 45247 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 331320233312 its reverse (213332023133), we get a palindrome (544652256445).

The spelling of 331320233312 in words is "three hundred thirty-one billion, three hundred twenty million, two hundred thirty-three thousand, three hundred twelve".