202311116321 has 2 divisors, whose sum is σ = 202311116322. Its totient is φ = 202311116320.

The previous prime is 202311116303. The next prime is 202311116327. The reversal of 202311116321 is 123611113202.

202311116321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141704062096 + 60607054225 = 376436^2 + 246185^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202311116321 is a prime.

It is not a weakly prime, because it can be changed into another prime (202311116327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101155558160 + 101155558161.

It is an arithmetic number, because the mean of its divisors is an integer number (101155558161).

Almost surely, 2^202311116321 is an apocalyptic number.

It is an amenable number.

202311116321 is a deficient number, since it is larger than the sum of its proper divisors (1).

202311116321 is an equidigital number, since it uses as much as digits as its factorization.

202311116321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 202311116321 its reverse (123611113202), we get a palindrome (325922229523).

The spelling of 202311116321 in words is "two hundred two billion, three hundred eleven million, one hundred sixteen thousand, three hundred twenty-one".