331681515336 has 32 divisors (see below), whose sum is σ = 921337543200. Its totient is φ = 110560505040.

The previous prime is 331681515329. The next prime is 331681515367. The reversal of 331681515336 is 633515186133.

331681515336 is a `hidden beast` number, since 3 + 3 + 1 + 68 + 1 + 51 + 533 + 6 = 666.

It is a super-2 number, since 2×331681515336² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 331681515291 and 331681515300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 767781070 + ... + 767781501.

It is an arithmetic number, because the mean of its divisors is an integer number (28791798225).

Almost surely, 2^331681515336 is an apocalyptic number.

331681515336 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

331681515336 is an abundant number, since it is smaller than the sum of its proper divisors (589656027864).

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

331681515336 is a wasteful number, since it uses less digits than its factorization.

331681515336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1535562586 (or 1535562576 counting only the distinct ones).

The product of its digits is 583200, while the sum is 45.

The spelling of 331681515336 in words is "three hundred thirty-one billion, six hundred eighty-one million, five hundred fifteen thousand, three hundred thirty-six".