320322300312 has 64 divisors (see below), whose sum is σ = 937528704000. Its totient is φ = 89288444160.

The previous prime is 320322300289. The next prime is 320322300367. The reversal of 320322300312 is 213003223023.

It is a super-2 number, since 2×320322300312² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 23245312 + ... + 23259087.

It is an arithmetic number, because the mean of its divisors is an integer number (14648886000).

Almost surely, 2^320322300312 is an apocalyptic number.

It is an amenable number.

320322300312 is an abundant number, since it is smaller than the sum of its proper divisors (617206403688).

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

320322300312 is a wasteful number, since it uses less digits than its factorization.

320322300312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46504456 (or 46504452 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 320322300312 its reverse (213003223023), we get a palindrome (533325523335).

The spelling of 320322300312 in words is "three hundred twenty billion, three hundred twenty-two million, three hundred thousand, three hundred twelve".