323221331322313 has 2 divisors, whose sum is σ = 323221331322314. Its totient is φ = 323221331322312.

The previous prime is 323221331322289. The next prime is 323221331322319. The reversal of 323221331322313 is 313223133122323.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 183897113791689 + 139324217530624 = 13560867^2 + 11803568^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323221331322313 is a prime.

It is not a weakly prime, because it can be changed into another prime (323221331322319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161610665661156 + 161610665661157.

It is an arithmetic number, because the mean of its divisors is an integer number (161610665661157).

Almost surely, 2^{323221331322313} is an apocalyptic number.

It is an amenable number.

323221331322313 is a deficient number, since it is larger than the sum of its proper divisors (1).

323221331322313 is an equidigital number, since it uses as much as digits as its factorization.

323221331322313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 34.

Adding to 323221331322313 its reverse (313223133122323), we get a palindrome (636444464444636).

The spelling of 323221331322313 in words is "three hundred twenty-three trillion, two hundred twenty-one billion, three hundred thirty-one million, three hundred twenty-two thousand, three hundred thirteen".