104043431 has 2 divisors, whose sum is σ = 104043432. Its totient is φ = 104043430.

The previous prime is 104043427. The next prime is 104043437. The reversal of 104043431 is 134340401.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 104043431 - 2² = 104043427 is a prime.

It is a super-2 number, since 2×104043431² = 21650071068503522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104043437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52021715 + 52021716.

It is an arithmetic number, because the mean of its divisors is an integer number (52021716).

Almost surely, 2^104043431 is an apocalyptic number.

104043431 is a deficient number, since it is larger than the sum of its proper divisors (1).

104043431 is an equidigital number, since it uses as much as digits as its factorization.

104043431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 104043431 is about 10200.1681848879. The cubic root of 104043431 is about 470.3323904959.

Adding to 104043431 its reverse (134340401), we get a palindrome (238383832).

The spelling of 104043431 in words is "one hundred four million, forty-three thousand, four hundred thirty-one".