323211313 has 2 divisors, whose sum is σ = 323211314. Its totient is φ = 323211312.

The previous prime is 323211307. The next prime is 323211373. The reversal of 323211313 is 313112323.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 190108944 + 133102369 = 13788^2 + 11537^2 .

It is an emirp because it is prime and its reverse (313112323) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 323211313 - 2⁵ = 323211281 is a prime.

It is not a weakly prime, because it can be changed into another prime (323211373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161605656 + 161605657.

It is an arithmetic number, because the mean of its divisors is an integer number (161605657).

Almost surely, 2^323211313 is an apocalyptic number.

It is an amenable number.

323211313 is a deficient number, since it is larger than the sum of its proper divisors (1).

323211313 is an equidigital number, since it uses as much as digits as its factorization.

323211313 is an evil number, because the sum of its binary digits is even.

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

The square root of 323211313 is about 17978.0786793250. The cubic root of 323211313 is about 686.2707956622.

Adding to 323211313 its reverse (313112323), we get a palindrome (636323636).

The spelling of 323211313 in words is "three hundred twenty-three million, two hundred eleven thousand, three hundred thirteen".