321213323332 has 24 divisors (see below), whose sum is σ = 618956523360. Its totient is φ = 144641511360.

The previous prime is 321213323329. The next prime is 321213323339. The reversal of 321213323332 is 233323312123.

It is a self number, because there is not a number n which added to its sum of digits gives 321213323332.

It is not an unprimeable number, because it can be changed into a prime (321213323339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34108857 + ... + 34118272.

It is an arithmetic number, because the mean of its divisors is an integer number (25789855140).

Almost surely, 2^321213323332 is an apocalyptic number.

It is an amenable number.

321213323332 is a deficient number, since it is larger than the sum of its proper divisors (297743200028).

321213323332 is a wasteful number, since it uses less digits than its factorization.

321213323332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68227251 (or 68227249 counting only the distinct ones).

The product of its digits is 11664, while the sum is 28.

Adding to 321213323332 its reverse (233323312123), we get a palindrome (554536635455).

The spelling of 321213323332 in words is "three hundred twenty-one billion, two hundred thirteen million, three hundred twenty-three thousand, three hundred thirty-two".