317140376487 has 48 divisors (see below), whose sum is σ = 471471168000. Its totient is φ = 189446843520.

The previous prime is 317140376431. The next prime is 317140376549. The reversal of 317140376487 is 784673041713.

It is not a de Polignac number, because 317140376487 - 2²² = 317136182183 is a prime.

It is a super-2 number, since 2×317140376487² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317140376407) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 52968508 + ... + 52974494.

It is an arithmetic number, because the mean of its divisors is an integer number (9822316000).

Almost surely, 2^317140376487 is an apocalyptic number.

317140376487 is a deficient number, since it is larger than the sum of its proper divisors (154330791513).

317140376487 is a wasteful number, since it uses less digits than its factorization.

317140376487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8084 (or 8073 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 51.

The spelling of 317140376487 in words is "three hundred seventeen billion, one hundred forty million, three hundred seventy-six thousand, four hundred eighty-seven".