321375244216 has 32 divisors (see below), whose sum is σ = 652770644400. Its totient is φ = 148327027680.

The previous prime is 321375244171. The next prime is 321375244249. The reversal of 321375244216 is 612442573123.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9124870 + ... + 9160021.

Almost surely, 2^321375244216 is an apocalyptic number.

It is an amenable number.

321375244216 is an abundant number, since it is smaller than the sum of its proper divisors (331395400184).

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

321375244216 is a wasteful number, since it uses less digits than its factorization.

321375244216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18284936 (or 18284906 counting only the distinct ones).

The product of its digits is 241920, while the sum is 40.

The spelling of 321375244216 in words is "three hundred twenty-one billion, three hundred seventy-five million, two hundred forty-four thousand, two hundred sixteen".