313313233 has 4 divisors (see below), whose sum is σ = 319979520. Its totient is φ = 306646948.

The previous prime is 313313219. The next prime is 313313237. The reversal of 313313233 is 332313313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 313313233 - 2⁹ = 313312721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313313237) 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, 3333073 + ... + 3333166.

It is an arithmetic number, because the mean of its divisors is an integer number (79994880).

Almost surely, 2^313313233 is an apocalyptic number.

It is an amenable number.

313313233 is a deficient number, since it is larger than the sum of its proper divisors (6666287).

313313233 is an equidigital number, since it uses as much as digits as its factorization.

313313233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6666286.

The product of its digits is 1458, while the sum is 22.

The square root of 313313233 is about 17700.6562872680. The cubic root of 313313233 is about 679.1925486534.

Adding to 313313233 its reverse (332313313), we get a palindrome (645626546).

The spelling of 313313233 in words is "three hundred thirteen million, three hundred thirteen thousand, two hundred thirty-three".