311011323439 has 2 divisors, whose sum is σ = 311011323440. Its totient is φ = 311011323438.

The previous prime is 311011323409. The next prime is 311011323443. The reversal of 311011323439 is 934323110113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 311011323439 - 2¹¹ = 311011321391 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 311011323439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311011323409) 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, 155505661719 + 155505661720.

It is an arithmetic number, because the mean of its divisors is an integer number (155505661720).

Almost surely, 2^311011323439 is an apocalyptic number.

311011323439 is a deficient number, since it is larger than the sum of its proper divisors (1).

311011323439 is an equidigital number, since it uses as much as digits as its factorization.

311011323439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 31.

The spelling of 311011323439 in words is "three hundred eleven billion, eleven million, three hundred twenty-three thousand, four hundred thirty-nine".