317270356101640 has 32 divisors (see below), whose sum is σ = 713881853533080. Its totient is φ = 126903955364352.

The previous prime is 317270356101563. The next prime is 317270356101689. The reversal of 317270356101640 is 46101653072713.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 316559035915236 + 711320186404 = 17792106^2 + 843398^2 .

It is a super-2 number, since 2×317270356101640² (a number of 30 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 129618459 + ... + 132043498.

Almost surely, 2^{317270356101640} is an apocalyptic number.

It is an amenable number.

317270356101640 is an abundant number, since it is smaller than the sum of its proper divisors (396611497431440).

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

317270356101640 is a wasteful number, since it uses less digits than its factorization.

317270356101640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261692281 (or 261692277 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 46.

The spelling of 317270356101640 in words is "three hundred seventeen trillion, two hundred seventy billion, three hundred fifty-six million, one hundred one thousand, six hundred forty".