305522242212013 has 2 divisors, whose sum is σ = 305522242212014. Its totient is φ = 305522242212012.

The previous prime is 305522242211933. The next prime is 305522242212023. The reversal of 305522242212013 is 310212242225503.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 235466631186084 + 70055611025929 = 15344922^2 + 8369923^2 .

It is an emirp because it is prime and its reverse (310212242225503) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 305522242212013 - 2¹³ = 305522242203821 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 305522242212013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (305522242212023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152761121106006 + 152761121106007.

It is an arithmetic number, because the mean of its divisors is an integer number (152761121106007).

Almost surely, 2^{305522242212013} is an apocalyptic number.

It is an amenable number.

305522242212013 is a deficient number, since it is larger than the sum of its proper divisors (1).

305522242212013 is an equidigital number, since it uses as much as digits as its factorization.

305522242212013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 305522242212013 its reverse (310212242225503), we get a palindrome (615734484437516).

The spelling of 305522242212013 in words is "three hundred five trillion, five hundred twenty-two billion, two hundred forty-two million, two hundred twelve thousand, thirteen".