323130314021 has 2 divisors, whose sum is σ = 323130314022. Its totient is φ = 323130314020.

The previous prime is 323130313967. The next prime is 323130314041. The reversal of 323130314021 is 120413031323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 309297261025 + 13833052996 = 556145^2 + 117614^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323130314021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323130314041) 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, 161565157010 + 161565157011.

It is an arithmetic number, because the mean of its divisors is an integer number (161565157011).

Almost surely, 2^323130314021 is an apocalyptic number.

It is an amenable number.

323130314021 is a deficient number, since it is larger than the sum of its proper divisors (1).

323130314021 is an equidigital number, since it uses as much as digits as its factorization.

323130314021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 323130314021 its reverse (120413031323), we get a palindrome (443543345344).

The spelling of 323130314021 in words is "three hundred twenty-three billion, one hundred thirty million, three hundred fourteen thousand, twenty-one".