4031219 has 2 divisors, whose sum is σ = 4031220. Its totient is φ = 4031218.

The previous prime is 4031201. The next prime is 4031221. The reversal of 4031219 is 9121304.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4031219 - 2⁸ = 4030963 is a prime.

It is a super-2 number, since 2×4031219² = 32501453251922, which contains 22 as substring.

Together with 4031221, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4031219.

It is not a weakly prime, because it can be changed into another prime (4031239) 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, 2015609 + 2015610.

It is an arithmetic number, because the mean of its divisors is an integer number (2015610).

Almost surely, 2^4031219 is an apocalyptic number.

4031219 is a deficient number, since it is larger than the sum of its proper divisors (1).

4031219 is an equidigital number, since it uses as much as digits as its factorization.

4031219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 4031219 is about 2007.7895806085. The cubic root of 4031219 is about 159.1520110528.

The spelling of 4031219 in words is "four million, thirty-one thousand, two hundred nineteen".