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317143431631 = 13231110556317
BaseRepresentation
bin1001001110101110011…
…10001011100111001111
31010022121021022120212101
410213113032023213033
520144002204303011
6401405500215531
731625052455515
oct4472716134717
91108537276771
10317143431631
11112555221214
125156a83a5a7
1323ba27612b0
14114c7cba4b5
1583b27692c1
hex49d738b9cf

317143431631 has 8 divisors (see below), whose sum is σ = 341686901024. Its totient is φ = 292621079520.

The previous prime is 317143431617. The next prime is 317143431641. The reversal of 317143431631 is 136134341713.

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

It is a cyclic number.

It is not a de Polignac number, because 317143431631 - 225 = 317109877199 is a prime.

It is a super-2 number, since 2×3171434316312 (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 (317143431601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5248116 + ... + 5308201.

It is an arithmetic number, because the mean of its divisors is an integer number (42710862628).

Almost surely, 2317143431631 is an apocalyptic number.

317143431631 is a deficient number, since it is larger than the sum of its proper divisors (24543469393).

317143431631 is a wasteful number, since it uses less digits than its factorization.

317143431631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10558641.

The product of its digits is 54432, while the sum is 37.

The spelling of 317143431631 in words is "three hundred seventeen billion, one hundred forty-three million, four hundred thirty-one thousand, six hundred thirty-one".

Divisors: 1 13 2311 30043 10556317 137232121 24395648587 317143431631