320022532312 has 72 divisors (see below), whose sum is σ = 729676476900. Its totient is φ = 131189276064.

The previous prime is 320022532301. The next prime is 320022532337. The reversal of 320022532312 is 213235220023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 564262 + ... + 978997.

Almost surely, 2^320022532312 is an apocalyptic number.

It is an amenable number.

320022532312 is an abundant number, since it is smaller than the sum of its proper divisors (409653944588).

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

320022532312 is a wasteful number, since it uses less digits than its factorization.

320022532312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1543325 (or 1543291 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 320022532312 its reverse (213235220023), we get a palindrome (533257752335).

The spelling of 320022532312 in words is "three hundred twenty billion, twenty-two million, five hundred thirty-two thousand, three hundred twelve".