317140356646 has 8 divisors (see below), whose sum is σ = 476285761800. Its totient is φ = 158378436048.

The previous prime is 317140356629. The next prime is 317140356721. The reversal of 317140356646 is 646653041713.

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

It is a junction number, because it is equal to n+sod(n) for n = 317140356596 and 317140356605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95869071 + ... + 95872378.

It is an arithmetic number, because the mean of its divisors is an integer number (59535720225).

Almost surely, 2^317140356646 is an apocalyptic number.

317140356646 is a deficient number, since it is larger than the sum of its proper divisors (159145405154).

317140356646 is a wasteful number, since it uses less digits than its factorization.

317140356646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191742278.

The product of its (nonzero) digits is 1088640, while the sum is 46.

The spelling of 317140356646 in words is "three hundred seventeen billion, one hundred forty million, three hundred fifty-six thousand, six hundred forty-six".