434421331 has 2 divisors, whose sum is σ = 434421332. Its totient is φ = 434421330.

The previous prime is 434421313. The next prime is 434421341. The reversal of 434421331 is 133124434.

Together with previous prime (434421313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 434421331 - 2¹³ = 434413139 is a prime.

It is a super-2 number, since 2×434421331² = 377443785655623122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 434421296 and 434421305.

It is not a weakly prime, because it can be changed into another prime (434421341) 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, 217210665 + 217210666.

It is an arithmetic number, because the mean of its divisors is an integer number (217210666).

Almost surely, 2^434421331 is an apocalyptic number.

434421331 is a deficient number, since it is larger than the sum of its proper divisors (1).

434421331 is an equidigital number, since it uses as much as digits as its factorization.

434421331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 25.

The square root of 434421331 is about 20842.7764705185. The cubic root of 434421331 is about 757.3623539867.

Adding to 434421331 its reverse (133124434), we get a palindrome (567545765).

The spelling of 434421331 in words is "four hundred thirty-four million, four hundred twenty-one thousand, three hundred thirty-one".