305203244117 has 2 divisors, whose sum is σ = 305203244118. Its totient is φ = 305203244116.

The previous prime is 305203244063. The next prime is 305203244161. The reversal of 305203244117 is 711442302503.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 297162355876 + 8040888241 = 545126^2 + 89671^2 .

It is a cyclic number.

It is not a de Polignac number, because 305203244117 - 2⁶ = 305203244053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (305203244197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152601622058 + 152601622059.

It is an arithmetic number, because the mean of its divisors is an integer number (152601622059).

Almost surely, 2^305203244117 is an apocalyptic number.

It is an amenable number.

305203244117 is a deficient number, since it is larger than the sum of its proper divisors (1).

305203244117 is an equidigital number, since it uses as much as digits as its factorization.

305203244117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 32.

The spelling of 305203244117 in words is "three hundred five billion, two hundred three million, two hundred forty-four thousand, one hundred seventeen".