2104304043431 has 2 divisors, whose sum is σ = 2104304043432. Its totient is φ = 2104304043430.

The previous prime is 2104304043407. The next prime is 2104304043521. The reversal of 2104304043431 is 1343404034012.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2104304043431 - 2⁶ = 2104304043367 is a prime.

It is a super-2 number, since 2×2104304043431² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2104304043394 and 2104304043403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2104304043031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052152021715 + 1052152021716.

It is an arithmetic number, because the mean of its divisors is an integer number (1052152021716).

Almost surely, 2^{2104304043431} is an apocalyptic number.

2104304043431 is a deficient number, since it is larger than the sum of its proper divisors (1).

2104304043431 is an equidigital number, since it uses as much as digits as its factorization.

2104304043431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 2104304043431 its reverse (1343404034012), we get a palindrome (3447708077443).

The spelling of 2104304043431 in words is "two trillion, one hundred four billion, three hundred four million, forty-three thousand, four hundred thirty-one".