311317310719 has 8 divisors (see below), whose sum is σ = 317870457840. Its totient is φ = 304789320576.

The previous prime is 311317310693. The next prime is 311317310747. The reversal of 311317310719 is 917013713113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-311317310719 is a prime.

It is a super-2 number, since 2×311317310719² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311317310119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6264234 + ... + 6313735.

It is an arithmetic number, because the mean of its divisors is an integer number (39733807230).

Almost surely, 2^311317310719 is an apocalyptic number.

311317310719 is a deficient number, since it is larger than the sum of its proper divisors (6553147121).

311317310719 is a wasteful number, since it uses less digits than its factorization.

311317310719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12578489.

The product of its (nonzero) digits is 11907, while the sum is 37.

The spelling of 311317310719 in words is "three hundred eleven billion, three hundred seventeen million, three hundred ten thousand, seven hundred nineteen".