203243442241 has 16 divisors (see below), whose sum is σ = 233040250368. Its totient is φ = 173637921600.

The previous prime is 203243442163. The next prime is 203243442247. The reversal of 203243442241 is 142244342302.

It is a cyclic number.

It is not a de Polignac number, because 203243442241 - 2²¹ = 203241345089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203243442247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3169291 + ... + 3232783.

It is an arithmetic number, because the mean of its divisors is an integer number (14565015648).

Almost surely, 2^203243442241 is an apocalyptic number.

It is an amenable number.

203243442241 is a deficient number, since it is larger than the sum of its proper divisors (29796808127).

203243442241 is a wasteful number, since it uses less digits than its factorization.

203243442241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64992.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 203243442241 its reverse (142244342302), we get a palindrome (345487784543).

The spelling of 203243442241 in words is "two hundred three billion, two hundred forty-three million, four hundred forty-two thousand, two hundred forty-one".