321303300312 has 64 divisors (see below), whose sum is σ = 854961868800. Its totient is φ = 100273256960.

The previous prime is 321303300299. The next prime is 321303300337. The reversal of 321303300312 is 213003303123.

It is a congruent number.

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, 1983612 + ... + 2139467.

It is an arithmetic number, because the mean of its divisors is an integer number (13358779200).

Almost surely, 2^321303300312 is an apocalyptic number.

It is an amenable number.

321303300312 is an abundant number, since it is smaller than the sum of its proper divisors (533658568488).

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

321303300312 is a wasteful number, since it uses less digits than its factorization.

321303300312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4123296 (or 4123292 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 321303300312 its reverse (213003303123), we get a palindrome (534306603435).

The spelling of 321303300312 in words is "three hundred twenty-one billion, three hundred three million, three hundred thousand, three hundred twelve".