313430231 has 4 divisors (see below), whose sum is σ = 324238200. Its totient is φ = 302622264.

The previous prime is 313430203. The next prime is 313430267. The reversal of 313430231 is 132034313.

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 313430231 - 2⁶ = 313430167 is a prime.

It is a super-2 number, since 2×313430231² = 196477019409426722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313435231) 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, 5403941 + ... + 5403998.

It is an arithmetic number, because the mean of its divisors is an integer number (81059550).

Almost surely, 2^313430231 is an apocalyptic number.

313430231 is a deficient number, since it is larger than the sum of its proper divisors (10807969).

313430231 is a wasteful number, since it uses less digits than its factorization.

313430231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10807968.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 313430231 is about 17703.9608845027. The cubic root of 313430231 is about 679.2770799065.

Adding to 313430231 its reverse (132034313), we get a palindrome (445464544).

The spelling of 313430231 in words is "three hundred thirteen million, four hundred thirty thousand, two hundred thirty-one".