203113330113 has 8 divisors (see below), whose sum is σ = 270820000800. Its totient is φ = 135407773088.

The previous prime is 203113330097. The next prime is 203113330151. The reversal of 203113330113 is 311033311302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 203113330113 - 2⁴ = 203113330097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 203113330113.

It is not an unprimeable number, because it can be changed into a prime (203113330513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 349378 + ... + 726836.

It is an arithmetic number, because the mean of its divisors is an integer number (33852500100).

Almost surely, 2^203113330113 is an apocalyptic number.

It is an amenable number.

203113330113 is a deficient number, since it is larger than the sum of its proper divisors (67706670687).

203113330113 is a wasteful number, since it uses less digits than its factorization.

203113330113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556831.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 203113330113 its reverse (311033311302), we get a palindrome (514146641415).

The spelling of 203113330113 in words is "two hundred three billion, one hundred thirteen million, three hundred thirty thousand, one hundred thirteen".