2203321231 has 2 divisors, whose sum is σ = 2203321232. Its totient is φ = 2203321230.

The previous prime is 2203321229. The next prime is 2203321273. The reversal of 2203321231 is 1321233022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2203321231 - 2¹ = 2203321229 is a prime.

It is a super-2 number, since 2×2203321231² = 9709248893950710722, which contains 22 as substring.

Together with 2203321229, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2203321199 and 2203321208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2203325231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1101660615 + 1101660616.

It is an arithmetic number, because the mean of its divisors is an integer number (1101660616).

Almost surely, 2^2203321231 is an apocalyptic number.

2203321231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2203321231 is an equidigital number, since it uses as much as digits as its factorization.

2203321231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2203321231 is about 46939.5486876472. The cubic root of 2203321231 is about 1301.2455972719.

Adding to 2203321231 its reverse (1321233022), we get a palindrome (3524554253).

It can be divided in two parts, 22033 and 21231, that added together give a square (43264 = 208²).

The spelling of 2203321231 in words is "two billion, two hundred three million, three hundred twenty-one thousand, two hundred thirty-one".