2203021013 has 2 divisors, whose sum is σ = 2203021014. Its totient is φ = 2203021012.

The previous prime is 2203021003. The next prime is 2203021019. The reversal of 2203021013 is 3101203022.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2199422404 + 3598609 = 46898^2 + 1897^2 .

It is a cyclic number.

It is not a de Polignac number, because 2203021013 - 2⁴ = 2203020997 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2203021019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1101510506 + 1101510507.

It is an arithmetic number, because the mean of its divisors is an integer number (1101510507).

Almost surely, 2^2203021013 is an apocalyptic number.

It is an amenable number.

2203021013 is a deficient number, since it is larger than the sum of its proper divisors (1).

2203021013 is an equidigital number, since it uses as much as digits as its factorization.

2203021013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2203021013 is about 46936.3506570334. The cubic root of 2203021013 is about 1301.1864933020.

Adding to 2203021013 its reverse (3101203022), we get a palindrome (5304224035).

The spelling of 2203021013 in words is "two billion, two hundred three million, twenty-one thousand, thirteen".