320311232312 has 16 divisors (see below), whose sum is σ = 600805464360. Its totient is φ = 160096441824.

The previous prime is 320311232261. The next prime is 320311232317. The reversal of 320311232312 is 213232113023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320311232317) 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, 7373783 + ... + 7417094.

Almost surely, 2^320311232312 is an apocalyptic number.

It is an amenable number.

320311232312 is a deficient number, since it is larger than the sum of its proper divisors (280494232048).

320311232312 is a wasteful number, since it uses less digits than its factorization.

320311232312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14793590 (or 14793586 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 320311232312 its reverse (213232113023), we get a palindrome (533543345335).

The spelling of 320311232312 in words is "three hundred twenty billion, three hundred eleven million, two hundred thirty-two thousand, three hundred twelve".