203242303255 has 8 divisors (see below), whose sum is σ = 243893192400. Its totient is φ = 162592223616.

The previous prime is 203242303247. The next prime is 203242303307. The reversal of 203242303255 is 552303242302.

It is a happy number.

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 203242303255 - 2³ = 203242303247 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 814351 + ... + 1034239.

It is an arithmetic number, because the mean of its divisors is an integer number (30486649050).

Almost surely, 2^203242303255 is an apocalyptic number.

203242303255 is a deficient number, since it is larger than the sum of its proper divisors (40650889145).

203242303255 is a wasteful number, since it uses less digits than its factorization.

203242303255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404753.

The product of its (nonzero) digits is 43200, while the sum is 31.

Adding to 203242303255 its reverse (552303242302), we get a palindrome (755545545557).

The spelling of 203242303255 in words is "two hundred three billion, two hundred forty-two million, three hundred three thousand, two hundred fifty-five".