323312331 has 8 divisors (see below), whose sum is σ = 431203024. Its totient is φ = 215481600.

The previous prime is 323312309. The next prime is 323312333. The reversal of 323312331 is 133213323.

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

It is not a de Polignac number, because 323312331 - 2¹³ = 323304139 is a prime.

It is a super-2 number, since 2×323312331² = 209061726753307122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 323312298 and 323312307.

It is not an unprimeable number, because it can be changed into a prime (323312333) 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, 370 + ... + 25431.

It is an arithmetic number, because the mean of its divisors is an integer number (53900378).

Almost surely, 2^323312331 is an apocalyptic number.

323312331 is a deficient number, since it is larger than the sum of its proper divisors (107890693).

323312331 is a wasteful number, since it uses less digits than its factorization.

323312331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29981.

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

The square root of 323312331 is about 17980.8879369179. The cubic root of 323312331 is about 686.3422849937.

Adding to 323312331 its reverse (133213323), we get a palindrome (456525654).

The spelling of 323312331 in words is "three hundred twenty-three million, three hundred twelve thousand, three hundred thirty-one".