323312220130121 has 2 divisors, whose sum is σ = 323312220130122. Its totient is φ = 323312220130120.

The previous prime is 323312220130093. The next prime is 323312220130171. The reversal of 323312220130121 is 121031022213323.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 308682551364496 + 14629668765625 = 17569364^2 + 3824875^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323312220130121 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (323312220130171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161656110065060 + 161656110065061.

It is an arithmetic number, because the mean of its divisors is an integer number (161656110065061).

Almost surely, 2^{323312220130121} is an apocalyptic number.

It is an amenable number.

323312220130121 is a deficient number, since it is larger than the sum of its proper divisors (1).

323312220130121 is an equidigital number, since it uses as much as digits as its factorization.

323312220130121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 323312220130121 its reverse (121031022213323), we get a palindrome (444343242343444).

The spelling of 323312220130121 in words is "three hundred twenty-three trillion, three hundred twelve billion, two hundred twenty million, one hundred thirty thousand, one hundred twenty-one".