305240034317 has 2 divisors, whose sum is σ = 305240034318. Its totient is φ = 305240034316.

The previous prime is 305240034247. The next prime is 305240034347. The reversal of 305240034317 is 713430042503.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 288872925961 + 16367108356 = 537469^2 + 127934^2 .

It is an emirp because it is prime and its reverse (713430042503) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 305240034317 - 2⁸ = 305240034061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (305240034347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152620017158 + 152620017159.

It is an arithmetic number, because the mean of its divisors is an integer number (152620017159).

Almost surely, 2^305240034317 is an apocalyptic number.

It is an amenable number.

305240034317 is a deficient number, since it is larger than the sum of its proper divisors (1).

305240034317 is an equidigital number, since it uses as much as digits as its factorization.

305240034317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 32.

The spelling of 305240034317 in words is "three hundred five billion, two hundred forty million, thirty-four thousand, three hundred seventeen".