311421030079 has 2 divisors, whose sum is σ = 311421030080. Its totient is φ = 311421030078.

The previous prime is 311421030073. The next prime is 311421030133. The reversal of 311421030079 is 970030124113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 311421030079 - 2³ = 311421030071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 311421030079.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311421030071) 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, 155710515039 + 155710515040.

It is an arithmetic number, because the mean of its divisors is an integer number (155710515040).

Almost surely, 2^311421030079 is an apocalyptic number.

311421030079 is a deficient number, since it is larger than the sum of its proper divisors (1).

311421030079 is an equidigital number, since it uses as much as digits as its factorization.

311421030079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 31.

The spelling of 311421030079 in words is "three hundred eleven billion, four hundred twenty-one million, thirty thousand, seventy-nine".