311350134317 has 2 divisors, whose sum is σ = 311350134318. Its totient is φ = 311350134316.

The previous prime is 311350134203. The next prime is 311350134323. The reversal of 311350134317 is 713431053113.

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., 308973669316 + 2376465001 = 555854^2 + 48749^2 .

It is a cyclic number.

It is not a de Polignac number, because 311350134317 - 2¹⁶ = 311350068781 is a prime.

It is a super-2 number, since 2×311350134317² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311350134817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155675067158 + 155675067159.

It is an arithmetic number, because the mean of its divisors is an integer number (155675067159).

Almost surely, 2^311350134317 is an apocalyptic number.

It is an amenable number.

311350134317 is a deficient number, since it is larger than the sum of its proper divisors (1).

311350134317 is an equidigital number, since it uses as much as digits as its factorization.

311350134317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 32.

The spelling of 311350134317 in words is "three hundred eleven billion, three hundred fifty million, one hundred thirty-four thousand, three hundred seventeen".