Search a number
-
+
317287319 is a prime number
BaseRepresentation
bin10010111010010…
…110101110010111
3211010000212101012
4102322112232113
51122211143234
651252322435
710601616626
oct2272265627
9733025335
10317287319
11153111728
128a31341b
135097159b
14301d36bd
151ccc60ce
hex12e96b97

317287319 has 2 divisors, whose sum is σ = 317287320. Its totient is φ = 317287318.

The previous prime is 317287283. The next prime is 317287349. The reversal of 317287319 is 913782713.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 317287319 - 216 = 317221783 is a prime.

It is a super-2 number, since 2×3172873192 = 201342485596415522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317287349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158643659 + 158643660.

It is an arithmetic number, because the mean of its divisors is an integer number (158643660).

Almost surely, 2317287319 is an apocalyptic number.

317287319 is a deficient number, since it is larger than the sum of its proper divisors (1).

317287319 is an equidigital number, since it uses as much as digits as its factorization.

317287319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 41.

The square root of 317287319 is about 17812.5607086685. The cubic root of 317287319 is about 682.0521333659.

The spelling of 317287319 in words is "three hundred seventeen million, two hundred eighty-seven thousand, three hundred nineteen".