323231313 has 4 divisors (see below), whose sum is σ = 430975088. Its totient is φ = 215487540.

The previous prime is 323231291. The next prime is 323231329. The reversal of 323231313 is 313132323.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 323231313 - 2¹² = 323227217 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 323231313.

It is not an unprimeable number, because it can be changed into a prime (323231333) 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, 53871883 + ... + 53871888.

It is an arithmetic number, because the mean of its divisors is an integer number (107743772).

Almost surely, 2^323231313 is an apocalyptic number.

It is an amenable number.

323231313 is a deficient number, since it is larger than the sum of its proper divisors (107743775).

323231313 is a wasteful number, since it uses less digits than its factorization.

323231313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107743774.

The product of its digits is 972, while the sum is 21.

The square root of 323231313 is about 17978.6349036850. The cubic root of 323231313 is about 686.2849506255.

Adding to 323231313 its reverse (313132323), we get a palindrome (636363636).

The spelling of 323231313 in words is "three hundred twenty-three million, two hundred thirty-one thousand, three hundred thirteen".