320312007320 has 16 divisors (see below), whose sum is σ = 720702016560. Its totient is φ = 128124802912.

The previous prime is 320312007283. The next prime is 320312007329. The reversal of 320312007320 is 23700213023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320312007329) 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, 4003900052 + ... + 4003900131.

It is an arithmetic number, because the mean of its divisors is an integer number (45043876035).

Almost surely, 2^320312007320 is an apocalyptic number.

It is an amenable number.

320312007320 is an abundant number, since it is smaller than the sum of its proper divisors (400390009240).

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

320312007320 is a wasteful number, since it uses less digits than its factorization.

320312007320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8007800194 (or 8007800190 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 23.

The spelling of 320312007320 in words is "three hundred twenty billion, three hundred twelve million, seven thousand, three hundred twenty".