203544034061 has 8 divisors (see below), whose sum is σ = 204802397184. Its totient is φ = 202287678480.

The previous prime is 203544034039. The next prime is 203544034079. The reversal of 203544034061 is 160430445302.

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

It is a cyclic number.

It is not a de Polignac number, because 203544034061 - 2¹⁸ = 203543771917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203544037061) 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, 298226 + ... + 704291.

It is an arithmetic number, because the mean of its divisors is an integer number (25600299648).

Almost surely, 2^203544034061 is an apocalyptic number.

It is an amenable number.

203544034061 is a deficient number, since it is larger than the sum of its proper divisors (1258363123).

203544034061 is a wasteful number, since it uses less digits than its factorization.

203544034061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003771.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 203544034061 its reverse (160430445302), we get a palindrome (363974479363).

The spelling of 203544034061 in words is "two hundred three billion, five hundred forty-four million, thirty-four thousand, sixty-one".