321020968 has 16 divisors (see below), whose sum is σ = 604316160. Its totient is φ = 159870000.

The previous prime is 321020963. The next prime is 321020969. The reversal of 321020968 is 869020123.

It is not an unprimeable number, because it can be changed into a prime (321020963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77928 + ... + 81943.

It is an arithmetic number, because the mean of its divisors is an integer number (37769760).

Almost surely, 2^321020968 is an apocalyptic number.

It is an amenable number.

321020968 is a deficient number, since it is larger than the sum of its proper divisors (283295192).

321020968 is a wasteful number, since it uses less digits than its factorization.

321020968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160128 (or 160124 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 321020968 is about 17917.0580174313. The cubic root of 321020968 is about 684.7170358794.

The spelling of 321020968 in words is "three hundred twenty-one million, twenty thousand, nine hundred sixty-eight".