331221982848 has 96 divisors (see below), whose sum is σ = 919724648640. Its totient is φ = 105606944256.

The previous prime is 331221982823. The next prime is 331221982907. The reversal of 331221982848 is 848289122133.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×331221982848² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 331221982848.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 612136 + ... + 1018407.

It is an arithmetic number, because the mean of its divisors is an integer number (9580465090).

Almost surely, 2^331221982848 is an apocalyptic number.

It is an amenable number.

331221982848 is an abundant number, since it is smaller than the sum of its proper divisors (588502665792).

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

331221982848 is a wasteful number, since it uses less digits than its factorization.

331221982848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630606 (or 1630571 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 51.

The spelling of 331221982848 in words is "three hundred thirty-one billion, two hundred twenty-one million, nine hundred eighty-two thousand, eight hundred forty-eight".