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317056471 is a prime number
BaseRepresentation
bin10010111001011…
…110010111010111
3211002121010201021
4102321132113113
51122131301341
651243342011
710566635614
oct2271362727
9732533637
10317056471
11152a74246
128a221907
13508c04a4
143017350b
151cc7c9d1
hex12e5e5d7

317056471 has 2 divisors, whose sum is σ = 317056472. Its totient is φ = 317056470.

The previous prime is 317056469. The next prime is 317056483. The reversal of 317056471 is 174650713.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 317056471 - 21 = 317056469 is a prime.

It is a super-3 number, since 3×3170564713 (a number of 26 digits) contains 333 as substring.

Together with 317056469, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317056451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158528235 + 158528236.

It is an arithmetic number, because the mean of its divisors is an integer number (158528236).

Almost surely, 2317056471 is an apocalyptic number.

317056471 is a deficient number, since it is larger than the sum of its proper divisors (1).

317056471 is an equidigital number, since it uses as much as digits as its factorization.

317056471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 317056471 is about 17806.0796078193. The cubic root of 317056471 is about 681.8866802028.

The spelling of 317056471 in words is "three hundred seventeen million, fifty-six thousand, four hundred seventy-one".