331431304312 has 64 divisors (see below), whose sum is σ = 632700129600. Its totient is φ = 162743592960.

The previous prime is 331431304297. The next prime is 331431304319. The reversal of 331431304312 is 213403134133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331431304319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59276637 + ... + 59282227.

It is an arithmetic number, because the mean of its divisors is an integer number (9885939525).

Almost surely, 2^331431304312 is an apocalyptic number.

It is an amenable number.

331431304312 is a deficient number, since it is larger than the sum of its proper divisors (301268825288).

331431304312 is a wasteful number, since it uses less digits than its factorization.

331431304312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6296 (or 6292 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 331431304312 its reverse (213403134133), we get a palindrome (544834438445).

The spelling of 331431304312 in words is "three hundred thirty-one billion, four hundred thirty-one million, three hundred four thousand, three hundred twelve".