2104443431 has 2 divisors, whose sum is σ = 2104443432. Its totient is φ = 2104443430.

The previous prime is 2104443403. The next prime is 2104443433. The reversal of 2104443431 is 1343444012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2104443431 - 2¹⁴ = 2104427047 is a prime.

It is a super-2 number, since 2×2104443431² = 8857364308558103522, which contains 22 as substring.

Together with 2104443433, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2104443431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2104443433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052221715 + 1052221716.

It is an arithmetic number, because the mean of its divisors is an integer number (1052221716).

Almost surely, 2^2104443431 is an apocalyptic number.

2104443431 is a deficient number, since it is larger than the sum of its proper divisors (1).

2104443431 is an equidigital number, since it uses as much as digits as its factorization.

2104443431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 2104443431 is about 45874.2131376659. The cubic root of 2104443431 is about 1281.4817295209.

Adding to 2104443431 its reverse (1343444012), we get a palindrome (3447887443).

The spelling of 2104443431 in words is "two billion, one hundred four million, four hundred forty-three thousand, four hundred thirty-one".