203330111113 has 4 divisors (see below), whose sum is σ = 203336135748. Its totient is φ = 203324086480.

The previous prime is 203330111003. The next prime is 203330111129. The reversal of 203330111113 is 311111033302.

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

It can be written as a sum of positive squares in 2 ways, for example, as 149519102329 + 53811008784 = 386677^2 + 231972^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203330111113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203330111183) 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, 2961406 + ... + 3029287.

It is an arithmetic number, because the mean of its divisors is an integer number (50834033937).

Almost surely, 2^203330111113 is an apocalyptic number.

It is an amenable number.

203330111113 is a deficient number, since it is larger than the sum of its proper divisors (6024635).

203330111113 is an equidigital number, since it uses as much as digits as its factorization.

203330111113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6024634.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 203330111113 its reverse (311111033302), we get a palindrome (514441144415).

The spelling of 203330111113 in words is "two hundred three billion, three hundred thirty million, one hundred eleven thousand, one hundred thirteen".