321303322312 has 32 divisors (see below), whose sum is σ = 707115424320. Its totient is φ = 133979762880.

The previous prime is 321303322309. The next prime is 321303322343. The reversal of 321303322312 is 213223303123.

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, 77532514 + ... + 77536657.

It is an arithmetic number, because the mean of its divisors is an integer number (22097357010).

Almost surely, 2^321303322312 is an apocalyptic number.

It is an amenable number.

321303322312 is an abundant number, since it is smaller than the sum of its proper divisors (385812102008).

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

321303322312 is a wasteful number, since it uses less digits than its factorization.

321303322312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155069221 (or 155069217 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 321303322312 its reverse (213223303123), we get a palindrome (534526625435).

The spelling of 321303322312 in words is "three hundred twenty-one billion, three hundred three million, three hundred twenty-two thousand, three hundred twelve".