323131233 has 16 divisors (see below), whose sum is σ = 454809600. Its totient is φ = 203501520.

The previous prime is 323131199. The next prime is 323131243. The reversal of 323131233 is 332131323.

It is not a de Polignac number, because 323131233 - 2⁶ = 323131169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (323131243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12568 + ... + 28358.

It is an arithmetic number, because the mean of its divisors is an integer number (28425600).

Almost surely, 2^323131233 is an apocalyptic number.

It is an amenable number.

323131233 is a deficient number, since it is larger than the sum of its proper divisors (131678367).

323131233 is a wasteful number, since it uses less digits than its factorization.

323131233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16172.

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

The square root of 323131233 is about 17975.8513845659. The cubic root of 323131233 is about 686.2141133387.

Adding to 323131233 its reverse (332131323), we get a palindrome (655262556).

The spelling of 323131233 in words is "three hundred twenty-three million, one hundred thirty-one thousand, two hundred thirty-three".