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316219 is a prime number

316219 has 2 divisors, whose sum is σ = 316220. Its totient is φ = 316218.

The previous prime is 316213. The next prime is 316223. The reversal of 316219 is 912613.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 316219 - 213 = 308027 is a prime.

It is a super-2 number, since 2×3162192 = 199988911922, which contains 22 as substring.

It is a Chen prime.

316219 is a lucky number.

It is equal to p27292 and since 316219 and 27292 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 316219.

It is not a weakly prime, because it can be changed into another prime (316213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158109 + 158110.

It is an arithmetic number, because the mean of its divisors is an integer number (158110).

2316219 is an apocalyptic number.

316219 is a deficient number, since it is larger than the sum of its proper divisors (1).

316219 is an equidigital number, since it uses as much as digits as its factorization.

316219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 324, while the sum is 22.

The square root of 316219 is about 562.3335309227. Note that the first 3 decimals coincide. The cubic root of 316219 is about 68.1285773730.

It can be divided in two parts, 316 and 219, that added together give a palindrome (535).

The spelling of 316219 in words is "three hundred sixteen thousand, two hundred nineteen".