431804099 has 2 divisors, whose sum is σ = 431804100. Its totient is φ = 431804098.

The previous prime is 431804081. The next prime is 431804141. The reversal of 431804099 is 990408134.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 431804099 - 2⁸ = 431803843 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (431804069) 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, 215902049 + 215902050.

It is an arithmetic number, because the mean of its divisors is an integer number (215902050).

Almost surely, 2^431804099 is an apocalyptic number.

431804099 is a deficient number, since it is larger than the sum of its proper divisors (1).

431804099 is an equidigital number, since it uses as much as digits as its factorization.

431804099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 431804099 is about 20779.8965108106. The cubic root of 431804099 is about 755.8383442370.

The spelling of 431804099 in words is "four hundred thirty-one million, eight hundred four thousand, ninety-nine".