311023203311047 has 2 divisors, whose sum is σ = 311023203311048. Its totient is φ = 311023203311046.

The previous prime is 311023203310973. The next prime is 311023203311063. The reversal of 311023203311047 is 740113302320113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 311023203311047 - 2³⁵ = 310988843572679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311023203311647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155511601655523 + 155511601655524.

It is an arithmetic number, because the mean of its divisors is an integer number (155511601655524).

Almost surely, 2^{311023203311047} is an apocalyptic number.

311023203311047 is a deficient number, since it is larger than the sum of its proper divisors (1).

311023203311047 is an equidigital number, since it uses as much as digits as its factorization.

311023203311047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 31.

The spelling of 311023203311047 in words is "three hundred eleven trillion, twenty-three billion, two hundred three million, three hundred eleven thousand, forty-seven".