321312013000 has 64 divisors (see below), whose sum is σ = 820221966720. Its totient is φ = 116840728000.

The previous prime is 321312012949. The next prime is 321312013013. The reversal of 321312013000 is 310213123.

It is a super-2 number, since 2×321312013000² (a number of 24 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 14594092 + ... + 14616091.

It is an arithmetic number, because the mean of its divisors is an integer number (12815968230).

Almost surely, 2^321312013000 is an apocalyptic number.

It is an amenable number.

321312013000 is an abundant number, since it is smaller than the sum of its proper divisors (498909953720).

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

321312013000 is a wasteful number, since it uses less digits than its factorization.

321312013000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29210215 (or 29210201 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 321312013000 its reverse (310213123), we get a palindrome (321622226123).

The spelling of 321312013000 in words is "three hundred twenty-one billion, three hundred twelve million, thirteen thousand".