311317310718 has 12 divisors (see below), whose sum is σ = 674520839928. Its totient is φ = 103772436900.

The previous prime is 311317310693. The next prime is 311317310747. The reversal of 311317310718 is 817013713113.

311317310718 is a `hidden beast` number, since 3 + 11 + 317 + 310 + 7 + 18 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8647703058 + ... + 8647703093.

It is an arithmetic number, because the mean of its divisors is an integer number (56210069994).

Almost surely, 2^311317310718 is an apocalyptic number.

311317310718 is an abundant number, since it is smaller than the sum of its proper divisors (363203529210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

311317310718 is a wasteful number, since it uses less digits than its factorization.

311317310718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17295406159 (or 17295406156 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 36.

The spelling of 311317310718 in words is "three hundred eleven billion, three hundred seventeen million, three hundred ten thousand, seven hundred eighteen".