311440042322219 has 2 divisors, whose sum is σ = 311440042322220. Its totient is φ = 311440042322218.

The previous prime is 311440042322179. The next prime is 311440042322243. The reversal of 311440042322219 is 912223240044113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 311440042322219 - 2²⁸ = 311439773886763 is a prime.

It is a super-2 number, since 2×311440042322219² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (311440042322719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155720021161109 + 155720021161110.

It is an arithmetic number, because the mean of its divisors is an integer number (155720021161110).

Almost surely, 2^{311440042322219} is an apocalyptic number.

311440042322219 is a deficient number, since it is larger than the sum of its proper divisors (1).

311440042322219 is an equidigital number, since it uses as much as digits as its factorization.

311440042322219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 311440042322219 in words is "three hundred eleven trillion, four hundred forty billion, forty-two million, three hundred twenty-two thousand, two hundred nineteen".