311317310747 has 2 divisors, whose sum is σ = 311317310748. Its totient is φ = 311317310746.

The previous prime is 311317310693. The next prime is 311317310797. The reversal of 311317310747 is 747013713113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 311317310747 - 2³⁰ = 310243568923 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 311317310747.

It is not a weakly prime, because it can be changed into another prime (311317310797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155658655373 + 155658655374.

It is an arithmetic number, because the mean of its divisors is an integer number (155658655374).

Almost surely, 2^311317310747 is an apocalyptic number.

311317310747 is a deficient number, since it is larger than the sum of its proper divisors (1).

311317310747 is an equidigital number, since it uses as much as digits as its factorization.

311317310747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37044, while the sum is 38.

The spelling of 311317310747 in words is "three hundred eleven billion, three hundred seventeen million, three hundred ten thousand, seven hundred forty-seven".