313211323 has 2 divisors, whose sum is σ = 313211324. Its totient is φ = 313211322.

The previous prime is 313211303. The next prime is 313211357. The reversal of 313211323 is 323112313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 313211323 - 2⁹ = 313210811 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 313211323.

It is not a weakly prime, because it can be changed into another prime (313211303) 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 as a sum of consecutive naturals, namely, 156605661 + 156605662.

It is an arithmetic number, because the mean of its divisors is an integer number (156605662).

Almost surely, 2^313211323 is an apocalyptic number.

313211323 is a deficient number, since it is larger than the sum of its proper divisors (1).

313211323 is an equidigital number, since it uses as much as digits as its factorization.

313211323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 324, while the sum is 19.

The square root of 313211323 is about 17697.7773463223. Note that the first 3 decimals coincide. The cubic root of 313211323 is about 679.1189013560.

Adding to 313211323 its reverse (323112313), we get a palindrome (636323636).

The spelling of 313211323 in words is "three hundred thirteen million, two hundred eleven thousand, three hundred twenty-three".