323131320321330 has 64 divisors (see below), whose sum is σ = 775872727925760. Its totient is φ = 86128626253824.

The previous prime is 323131320321323. The next prime is 323131320321347. The reversal of 323131320321330 is 33123023131323.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2108488767 + ... + 2108642013.

It is an arithmetic number, because the mean of its divisors is an integer number (12123011373840).

Almost surely, 2^{323131320321330} is an apocalyptic number.

323131320321330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

323131320321330 is an abundant number, since it is smaller than the sum of its proper divisors (452741407604430).

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

323131320321330 is a wasteful number, since it uses less digits than its factorization.

323131320321330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185203.

The product of its (nonzero) digits is 17496, while the sum is 30.

Adding to 323131320321330 its reverse (33123023131323), we get a palindrome (356254343452653).

The spelling of 323131320321330 in words is "three hundred twenty-three trillion, one hundred thirty-one billion, three hundred twenty million, three hundred twenty-one thousand, three hundred thirty".