2204321131 has 4 divisors (see below), whose sum is σ = 2204754552. Its totient is φ = 2203887712.

The previous prime is 2204321113. The next prime is 2204321137. The reversal of 2204321131 is 1311234022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2204321131 - 2⁷ = 2204321003 is a prime.

It is a super-2 number, since 2×2204321131² = 9718063297146238322, 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 = 2204321099 and 2204321108.

It is not an unprimeable number, because it can be changed into a prime (2204321137) 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, 208990 + ... + 219283.

It is an arithmetic number, because the mean of its divisors is an integer number (551188638).

Almost surely, 2^2204321131 is an apocalyptic number.

2204321131 is a deficient number, since it is larger than the sum of its proper divisors (433421).

2204321131 is an equidigital number, since it uses as much as digits as its factorization.

2204321131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433420.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2204321131 is about 46950.1984127863. The cubic root of 2204321131 is about 1301.4424090489.

Adding to 2204321131 its reverse (1311234022), we get a palindrome (3515555153).

The spelling of 2204321131 in words is "two billion, two hundred four million, three hundred twenty-one thousand, one hundred thirty-one".