320102030030161 has 2 divisors, whose sum is σ = 320102030030162. Its totient is φ = 320102030030160.

The previous prime is 320102030030093. The next prime is 320102030030173. The reversal of 320102030030161 is 161030030201023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 308955112340161 + 11146917690000 = 17577119^2 + 3338700^2 .

It is a cyclic number.

It is not a de Polignac number, because 320102030030161 - 2¹⁷ = 320102029899089 is a prime.

It is not a weakly prime, because it can be changed into another prime (320102030030561) 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, 160051015015080 + 160051015015081.

It is an arithmetic number, because the mean of its divisors is an integer number (160051015015081).

Almost surely, 2^{320102030030161} is an apocalyptic number.

It is an amenable number.

320102030030161 is a deficient number, since it is larger than the sum of its proper divisors (1).

320102030030161 is an equidigital number, since it uses as much as digits as its factorization.

320102030030161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 320102030030161 its reverse (161030030201023), we get a palindrome (481132060231184).

The spelling of 320102030030161 in words is "three hundred twenty trillion, one hundred two billion, thirty million, thirty thousand, one hundred sixty-one".