2104134431 has 6 divisors (see below), whose sum is σ = 2447666640. Its totient is φ = 1803543756.

The previous prime is 2104134401. The next prime is 2104134457. The reversal of 2104134431 is 1344314012.

It is not a de Polignac number, because 2104134431 - 2²² = 2099940127 is a prime.

It is a super-2 number, since 2×2104134431² = 8854763407439387522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2104134397 and 2104134406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104134401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21470711 + ... + 21470808.

It is an arithmetic number, because the mean of its divisors is an integer number (407944440).

Almost surely, 2^2104134431 is an apocalyptic number.

2104134431 is a deficient number, since it is larger than the sum of its proper divisors (343532209).

2104134431 is an equidigital number, since it uses as much as digits as its factorization.

2104134431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42941533 (or 42941526 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 2104134431 is about 45870.8451088488. The cubic root of 2104134431 is about 1281.4190055355.

Adding to 2104134431 its reverse (1344314012), we get a palindrome (3448448443).

The spelling of 2104134431 in words is "two billion, one hundred four million, one hundred thirty-four thousand, four hundred thirty-one".