313323213 has 16 divisors (see below), whose sum is σ = 484171776. Its totient is φ = 176519280.

The previous prime is 313323193. The next prime is 313323239. The reversal of 313323213 is 312323313.

It is not a de Polignac number, because 313323213 - 2⁸ = 313322957 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 313323213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313323253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103581 + ... + 106562.

It is an arithmetic number, because the mean of its divisors is an integer number (30260736).

Almost surely, 2^313323213 is an apocalyptic number.

It is an amenable number.

313323213 is a deficient number, since it is larger than the sum of its proper divisors (170848563).

313323213 is a wasteful number, since it uses less digits than its factorization.

313323213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210224.

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

The square root of 313323213 is about 17700.9381954743. The cubic root of 313323213 is about 679.1997600412.

Adding to 313323213 its reverse (312323313), we get a palindrome (625646526).

The spelling of 313323213 in words is "three hundred thirteen million, three hundred twenty-three thousand, two hundred thirteen".