311310410993 has 2 divisors, whose sum is σ = 311310410994. Its totient is φ = 311310410992.

The previous prime is 311310410977. The next prime is 311310411017. The reversal of 311310410993 is 399014013113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 297491703184 + 13818707809 = 545428^2 + 117553^2 .

It is a cyclic number.

It is not a de Polignac number, because 311310410993 - 2⁴ = 311310410977 is a prime.

It is not a weakly prime, because it can be changed into another prime (311310410903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155655205496 + 155655205497.

It is an arithmetic number, because the mean of its divisors is an integer number (155655205497).

Almost surely, 2^311310410993 is an apocalyptic number.

It is an amenable number.

311310410993 is a deficient number, since it is larger than the sum of its proper divisors (1).

311310410993 is an equidigital number, since it uses as much as digits as its factorization.

311310410993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 35.

The spelling of 311310410993 in words is "three hundred eleven billion, three hundred ten million, four hundred ten thousand, nine hundred ninety-three".