203032013 has 2 divisors, whose sum is σ = 203032014. Its totient is φ = 203032012.

The previous prime is 203032009. The next prime is 203032073. The reversal of 203032013 is 310230302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101868649 + 101163364 = 10093^2 + 10058^2 .

It is a cyclic number.

It is not a de Polignac number, because 203032013 - 2² = 203032009 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203032073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101516006 + 101516007.

It is an arithmetic number, because the mean of its divisors is an integer number (101516007).

Almost surely, 2^203032013 is an apocalyptic number.

It is an amenable number.

203032013 is a deficient number, since it is larger than the sum of its proper divisors (1).

203032013 is an equidigital number, since it uses as much as digits as its factorization.

203032013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 203032013 is about 14248.9302405479. The cubic root of 203032013 is about 587.7439583176.

Adding to 203032013 its reverse (310230302), we get a palindrome (513262315).

It can be divided in two parts, 2030 and 32013, that added together give a palindrome (34043).

The spelling of 203032013 in words is "two hundred three million, thirty-two thousand, thirteen".