202321231030013 has 2 divisors, whose sum is σ = 202321231030014. Its totient is φ = 202321231030012.

The previous prime is 202321231030003. The next prime is 202321231030063. The reversal of 202321231030013 is 310030132123202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124950858572164 + 77370372457849 = 11178142^2 + 8796043^2 .

It is a cyclic number.

It is not a de Polignac number, because 202321231030013 - 2¹² = 202321231025917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202321231030003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101160615515006 + 101160615515007.

It is an arithmetic number, because the mean of its divisors is an integer number (101160615515007).

Almost surely, 2^{202321231030013} is an apocalyptic number.

It is an amenable number.

202321231030013 is a deficient number, since it is larger than the sum of its proper divisors (1).

202321231030013 is an equidigital number, since it uses as much as digits as its factorization.

202321231030013 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 202321231030013 its reverse (310030132123202), we get a palindrome (512351363153215).

The spelling of 202321231030013 in words is "two hundred two trillion, three hundred twenty-one billion, two hundred thirty-one million, thirty thousand, thirteen".