311440042322179 has 2 divisors, whose sum is σ = 311440042322180. Its totient is φ = 311440042322178.

The previous prime is 311440042322141. The next prime is 311440042322219. The reversal of 311440042322179 is 971223240044113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 311440042322179 - 2⁷ = 311440042322051 is a prime.

It is not a weakly prime, because it can be changed into another prime (311440042322579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155720021161089 + 155720021161090.

It is an arithmetic number, because the mean of its divisors is an integer number (155720021161090).

Almost surely, 2^{311440042322179} is an apocalyptic number.

311440042322179 is a deficient number, since it is larger than the sum of its proper divisors (1).

311440042322179 is an equidigital number, since it uses as much as digits as its factorization.

311440042322179 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 311440042322179 in words is "three hundred eleven trillion, four hundred forty billion, forty-two million, three hundred twenty-two thousand, one hundred seventy-nine".