2104204231 has 4 divisors (see below), whose sum is σ = 2104304832. Its totient is φ = 2104103632.

The previous prime is 2104204169. The next prime is 2104204237. The reversal of 2104204231 is 1324024012.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2104204231 - 2⁹ = 2104203719 is a prime.

It is a super-2 number, since 2×2104204231² = 8855350891516602722, 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 = 2104204199 and 2104204208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104204237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5806 + ... + 65131.

It is an arithmetic number, because the mean of its divisors is an integer number (526076208).

Almost surely, 2^2104204231 is an apocalyptic number.

2104204231 is a deficient number, since it is larger than the sum of its proper divisors (100601).

2104204231 is an equidigital number, since it uses as much as digits as its factorization.

2104204231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100600.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2104204231 is about 45871.6059343904. The cubic root of 2104204231 is about 1281.4331747914.

Adding to 2104204231 its reverse (1324024012), we get a palindrome (3428228243).

The spelling of 2104204231 in words is "two billion, one hundred four million, two hundred four thousand, two hundred thirty-one".