323431313 has 8 divisors (see below), whose sum is σ = 338256000. Its totient is φ = 308670208.

The previous prime is 323431301. The next prime is 323431331. The reversal of 323431313 is 313134323.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 323431313 - 2¹⁸ = 323169169 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (323431363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5333 + ... + 25986.

It is an arithmetic number, because the mean of its divisors is an integer number (42282000).

Almost surely, 2^323431313 is an apocalyptic number.

It is an amenable number.

323431313 is a deficient number, since it is larger than the sum of its proper divisors (14824687).

323431313 is a wasteful number, since it uses less digits than its factorization.

323431313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31791.

The product of its digits is 1944, while the sum is 23.

The square root of 323431313 is about 17984.1962011095. The cubic root of 323431313 is about 686.4264681549.

Adding to 323431313 its reverse (313134323), we get a palindrome (636565636).

The spelling of 323431313 in words is "three hundred twenty-three million, four hundred thirty-one thousand, three hundred thirteen".