104211431 has 2 divisors, whose sum is σ = 104211432. Its totient is φ = 104211430.

The previous prime is 104211427. The next prime is 104211433. The reversal of 104211431 is 134112401.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 104211431 - 2² = 104211427 is a prime.

It is a super-2 number, since 2×104211431² = 21720044702135522, which contains 22 as substring.

Together with 104211433, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104211433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52105715 + 52105716.

It is an arithmetic number, because the mean of its divisors is an integer number (52105716).

Almost surely, 2^104211431 is an apocalyptic number.

104211431 is a deficient number, since it is larger than the sum of its proper divisors (1).

104211431 is an equidigital number, since it uses as much as digits as its factorization.

104211431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 104211431 is about 10208.4000215509. The cubic root of 104211431 is about 470.5854045488.

Adding to 104211431 its reverse (134112401), we get a palindrome (238323832).

The spelling of 104211431 in words is "one hundred four million, two hundred eleven thousand, four hundred thirty-one".