321310012332 has 12 divisors (see below), whose sum is σ = 749723362136. Its totient is φ = 107103337440.

The previous prime is 321310012297. The next prime is 321310012333. The reversal of 321310012332 is 233210013123.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 321310012299 and 321310012308.

It is not an unprimeable number, because it can be changed into a prime (321310012333) 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, 13387917169 + ... + 13387917192.

Almost surely, 2^321310012332 is an apocalyptic number.

It is an amenable number.

321310012332 is an abundant number, since it is smaller than the sum of its proper divisors (428413349804).

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

321310012332 is a wasteful number, since it uses less digits than its factorization.

321310012332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26775834368 (or 26775834366 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 321310012332 its reverse (233210013123), we get a palindrome (554520025455).

The spelling of 321310012332 in words is "three hundred twenty-one billion, three hundred ten million, twelve thousand, three hundred thirty-two".