203242042133 has 8 divisors (see below), whose sum is σ = 219344737248. Its totient is φ = 187206303024.

The previous prime is 203242042127. The next prime is 203242042141. The reversal of 203242042133 is 331240242302.

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

It is a de Polignac number, because none of the positive numbers 2^k-203242042133 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203242042193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16732691 + ... + 16744832.

It is an arithmetic number, because the mean of its divisors is an integer number (27418092156).

Almost surely, 2^203242042133 is an apocalyptic number.

It is an amenable number.

203242042133 is a deficient number, since it is larger than the sum of its proper divisors (16102695115).

203242042133 is a wasteful number, since it uses less digits than its factorization.

203242042133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33478003.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 203242042133 its reverse (331240242302), we get a palindrome (534482284435).

The spelling of 203242042133 in words is "two hundred three billion, two hundred forty-two million, forty-two thousand, one hundred thirty-three".