203313243133 has 32 divisors (see below), whose sum is σ = 287347415040. Its totient is φ = 138542477760.

The previous prime is 203313243097. The next prime is 203313243241. The reversal of 203313243133 is 331342313302.

It is a cyclic number.

It is not a de Polignac number, because 203313243133 - 2²⁹ = 202776372221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203313243433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5325985 + ... + 5364022.

It is an arithmetic number, because the mean of its divisors is an integer number (8979606720).

Almost surely, 2^203313243133 is an apocalyptic number.

It is an amenable number.

203313243133 is a deficient number, since it is larger than the sum of its proper divisors (84034171907).

203313243133 is a wasteful number, since it uses less digits than its factorization.

203313243133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10690057.

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 203313243133 its reverse (331342313302), we get a palindrome (534655556435).

The spelling of 203313243133 in words is "two hundred three billion, three hundred thirteen million, two hundred forty-three thousand, one hundred thirty-three".