331331332312 has 16 divisors (see below), whose sum is σ = 621438692400. Its totient is φ = 165614347680.

The previous prime is 331331332289. The next prime is 331331332331. The reversal of 331331332312 is 213233133133.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6387364 + ... + 6439027.

It is an arithmetic number, because the mean of its divisors is an integer number (38839918275).

Almost surely, 2^331331332312 is an apocalyptic number.

It is an amenable number.

331331332312 is a deficient number, since it is larger than the sum of its proper divisors (290107360088).

331331332312 is a wasteful number, since it uses less digits than its factorization.

331331332312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12829626 (or 12829622 counting only the distinct ones).

The product of its digits is 8748, while the sum is 28.

Adding to 331331332312 its reverse (213233133133), we get a palindrome (544564465445).

The spelling of 331331332312 in words is "three hundred thirty-one billion, three hundred thirty-one million, three hundred thirty-two thousand, three hundred twelve".