323112131 has 4 divisors (see below), whose sum is σ = 323182272. Its totient is φ = 323041992.

The previous prime is 323112109. The next prime is 323112151. The reversal of 323112131 is 131211323.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 323112131 - 2⁶ = 323112067 is a prime.

It is a super-2 number, since 2×323112131² = 208802898398722322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (323112151) 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, 27635 + ... + 37548.

It is an arithmetic number, because the mean of its divisors is an integer number (80795568).

Almost surely, 2^323112131 is an apocalyptic number.

323112131 is a deficient number, since it is larger than the sum of its proper divisors (70141).

323112131 is an equidigital number, since it uses as much as digits as its factorization.

323112131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70140.

The product of its digits is 108, while the sum is 17.

The square root of 323112131 is about 17975.3200527835. The cubic root of 323112131 is about 686.2005911543.

Adding to 323112131 its reverse (131211323), we get a palindrome (454323454).

The spelling of 323112131 in words is "three hundred twenty-three million, one hundred twelve thousand, one hundred thirty-one".