203313200113 has 4 divisors (see below), whose sum is σ = 203495218420. Its totient is φ = 203131181808.

The previous prime is 203313200093. The next prime is 203313200147. The reversal of 203313200113 is 311002313302.

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 40059221904 + 163253978209 = 200148^2 + 404047^2 .

It is a cyclic number.

It is not a de Polignac number, because 203313200113 - 2¹⁷ = 203313069041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203313204113) 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 3 ways as a sum of consecutive naturals, for example, 91007478 + ... + 91009711.

It is an arithmetic number, because the mean of its divisors is an integer number (50873804605).

Almost surely, 2^203313200113 is an apocalyptic number.

It is an amenable number.

203313200113 is a deficient number, since it is larger than the sum of its proper divisors (182018307).

203313200113 is a wasteful number, since it uses less digits than its factorization.

203313200113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182018306.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 203313200113 its reverse (311002313302), we get a palindrome (514315513415).

The spelling of 203313200113 in words is "two hundred three billion, three hundred thirteen million, two hundred thousand, one hundred thirteen".