311440304032279 has 2 divisors, whose sum is σ = 311440304032280. Its totient is φ = 311440304032278.

The previous prime is 311440304032243. The next prime is 311440304032331. The reversal of 311440304032279 is 972230403044113.

It is a weak prime.

It is an emirp because it is prime and its reverse (972230403044113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 311440304032279 - 2³⁵ = 311405944293911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311440304032219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155720152016139 + 155720152016140.

It is an arithmetic number, because the mean of its divisors is an integer number (155720152016140).

Almost surely, 2^{311440304032279} is an apocalyptic number.

311440304032279 is a deficient number, since it is larger than the sum of its proper divisors (1).

311440304032279 is an equidigital number, since it uses as much as digits as its factorization.

311440304032279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 43.

The spelling of 311440304032279 in words is "three hundred eleven trillion, four hundred forty billion, three hundred four million, thirty-two thousand, two hundred seventy-nine".