311113330387 has 2 divisors, whose sum is σ = 311113330388. Its totient is φ = 311113330386.

The previous prime is 311113330349. The next prime is 311113330439. The reversal of 311113330387 is 783033311113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 311113330387 - 2¹⁹ = 311112806099 is a prime.

It is not a weakly prime, because it can be changed into another prime (311113337387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155556665193 + 155556665194.

It is an arithmetic number, because the mean of its divisors is an integer number (155556665194).

Almost surely, 2^311113330387 is an apocalyptic number.

311113330387 is a deficient number, since it is larger than the sum of its proper divisors (1).

311113330387 is an equidigital number, since it uses as much as digits as its factorization.

311113330387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 34.

The spelling of 311113330387 in words is "three hundred eleven billion, one hundred thirteen million, three hundred thirty thousand, three hundred eighty-seven".