314321219 has 2 divisors, whose sum is σ = 314321220. Its totient is φ = 314321218.

The previous prime is 314321209. The next prime is 314321239. The reversal of 314321219 is 912123413.

It is a weak prime.

It is an emirp because it is prime and its reverse (912123413) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 314321219 - 2¹² = 314317123 is a prime.

It is a super-2 number, since 2×314321219² = 197595657427291922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (314321209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157160609 + 157160610.

It is an arithmetic number, because the mean of its divisors is an integer number (157160610).

Almost surely, 2^314321219 is an apocalyptic number.

314321219 is a deficient number, since it is larger than the sum of its proper divisors (1).

314321219 is an equidigital number, since it uses as much as digits as its factorization.

314321219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 26.

The square root of 314321219 is about 17729.1065482725. The cubic root of 314321219 is about 679.9201311904.

The spelling of 314321219 in words is "three hundred fourteen million, three hundred twenty-one thousand, two hundred nineteen".