323020031312 has 20 divisors (see below), whose sum is σ = 682746884736. Its totient is φ = 146827286880.

The previous prime is 323020031311. The next prime is 323020031333. The reversal of 323020031312 is 213130020323.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323020031311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 917670368 + ... + 917670719.

Almost surely, 2^323020031312 is an apocalyptic number.

It is an amenable number.

323020031312 is an abundant number, since it is smaller than the sum of its proper divisors (359726853424).

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

323020031312 is a wasteful number, since it uses less digits than its factorization.

323020031312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1835341106 (or 1835341100 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 323020031312 its reverse (213130020323), we get a palindrome (536150051635).

The spelling of 323020031312 in words is "three hundred twenty-three billion, twenty million, thirty-one thousand, three hundred twelve".