203033424113 has 4 divisors (see below), whose sum is σ = 218651379828. Its totient is φ = 187415468400.

The previous prime is 203033424103. The next prime is 203033424193. The reversal of 203033424113 is 311424330302.

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 129012427489 + 74020996624 = 359183^2 + 272068^2 .

It is a cyclic number.

It is not a de Polignac number, because 203033424113 - 2¹² = 203033420017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203033424103) 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, 7808977838 + ... + 7808977863.

It is an arithmetic number, because the mean of its divisors is an integer number (54662844957).

Almost surely, 2^203033424113 is an apocalyptic number.

It is an amenable number.

203033424113 is a deficient number, since it is larger than the sum of its proper divisors (15617955715).

203033424113 is a wasteful number, since it uses less digits than its factorization.

203033424113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15617955714.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 203033424113 its reverse (311424330302), we get a palindrome (514457754415).

The spelling of 203033424113 in words is "two hundred three billion, thirty-three million, four hundred twenty-four thousand, one hundred thirteen".