305323050013 has 2 divisors, whose sum is σ = 305323050014. Its totient is φ = 305323050012.

The previous prime is 305323050007. The next prime is 305323050017. The reversal of 305323050013 is 310050323503.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 263598042724 + 41725007289 = 513418^2 + 204267^2 .

It is a cyclic number.

It is not a de Polignac number, because 305323050013 - 2²¹ = 305320952861 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 305323050013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (305323050017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152661525006 + 152661525007.

It is an arithmetic number, because the mean of its divisors is an integer number (152661525007).

Almost surely, 2^305323050013 is an apocalyptic number.

It is an amenable number.

305323050013 is a deficient number, since it is larger than the sum of its proper divisors (1).

305323050013 is an equidigital number, since it uses as much as digits as its factorization.

305323050013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4050, while the sum is 25.

Adding to 305323050013 its reverse (310050323503), we get a palindrome (615373373516).

The spelling of 305323050013 in words is "three hundred five billion, three hundred twenty-three million, fifty thousand, thirteen".