323121100020113 has 2 divisors, whose sum is σ = 323121100020114. Its totient is φ = 323121100020112.

The previous prime is 323121100020097. The next prime is 323121100020157. The reversal of 323121100020113 is 311020001121323.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 320958941516929 + 2162158503184 = 17915327^2 + 1470428^2 .

It is a cyclic number.

It is not a de Polignac number, because 323121100020113 - 2⁴ = 323121100020097 is a prime.

It is not a weakly prime, because it can be changed into another prime (323121100022113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161560550010056 + 161560550010057.

It is an arithmetic number, because the mean of its divisors is an integer number (161560550010057).

Almost surely, 2^{323121100020113} is an apocalyptic number.

It is an amenable number.

323121100020113 is a deficient number, since it is larger than the sum of its proper divisors (1).

323121100020113 is an equidigital number, since it uses as much as digits as its factorization.

323121100020113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 323121100020113 its reverse (311020001121323), we get a palindrome (634141101141436).

The spelling of 323121100020113 in words is "three hundred twenty-three trillion, one hundred twenty-one billion, one hundred million, twenty thousand, one hundred thirteen".