431219 has 2 divisors, whose sum is σ = 431220. Its totient is φ = 431218.

The previous prime is 431213. The next prime is 431237. The reversal of 431219 is 912134.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 431219 - 2⁴ = 431203 is a prime.

It is a super-2 number, since 2×431219² = 371899651922, which contains 22 as substring.

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 431219.

It is not a weakly prime, because it can be changed into another prime (431213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215609 + 215610.

It is an arithmetic number, because the mean of its divisors is an integer number (215610).

2⁴³¹²¹⁹ is an apocalyptic number.

431219 is a deficient number, since it is larger than the sum of its proper divisors (1).

431219 is an equidigital number, since it uses as much as digits as its factorization.

431219 is an evil number, because the sum of its binary digits is even.

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

The square root of 431219 is about 656.6726734074. The cubic root of 431219 is about 75.5496800346.

The spelling of 431219 in words is "four hundred thirty-one thousand, two hundred nineteen".