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317288237220697 is a prime number
BaseRepresentation
bin100100000100100100110110…
…0101010111100001101011001
31112121102110101210022202002011
41020021021230222330031121
5313041422302212030242
63042452112014505521
7123555214205302111
oct11011115452741531
91477373353282064
10317288237220697
1192109205250976
122b7047048052a1
13108071c9a3c802
14584cb929d2041
1526a35ddb4bd17
hex120926cabc359

317288237220697 has 2 divisors, whose sum is σ = 317288237220698. Its totient is φ = 317288237220696.

The previous prime is 317288237220679. The next prime is 317288237220701. The reversal of 317288237220697 is 796022732882713.

Together with previous prime (317288237220679) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 306225535488601 + 11062701732096 = 17499301^2 + 3326064^2 .

It is a cyclic number.

It is not a de Polignac number, because 317288237220697 - 247 = 176550748865369 is a prime.

It is not a weakly prime, because it can be changed into another prime (317288237229697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158644118610348 + 158644118610349.

It is an arithmetic number, because the mean of its divisors is an integer number (158644118610349).

Almost surely, 2317288237220697 is an apocalyptic number.

It is an amenable number.

317288237220697 is a deficient number, since it is larger than the sum of its proper divisors (1).

317288237220697 is an equidigital number, since it uses as much as digits as its factorization.

317288237220697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 170698752, while the sum is 67.

The spelling of 317288237220697 in words is "three hundred seventeen trillion, two hundred eighty-eight billion, two hundred thirty-seven million, two hundred twenty thousand, six hundred ninety-seven".