203313663234 has 48 divisors (see below), whose sum is σ = 490784261760. Its totient is φ = 60299342880.

The previous prime is 203313663221. The next prime is 203313663257. The reversal of 203313663234 is 432366313302.

203313663234 is a `hidden beast` number, since 2 + 0 + 3 + 3 + 13 + 6 + 632 + 3 + 4 = 666.

203313663234 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10914489 + ... + 10933100.

It is an arithmetic number, because the mean of its divisors is an integer number (10224672120).

Almost surely, 2^203313663234 is an apocalyptic number.

203313663234 is an abundant number, since it is smaller than the sum of its proper divisors (287470598526).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203313663234 is a wasteful number, since it uses less digits than its factorization.

203313663234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21847655 (or 21847652 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 36.

Adding to 203313663234 its reverse (432366313302), we get a palindrome (635679976536).

The spelling of 203313663234 in words is "two hundred three billion, three hundred thirteen million, six hundred sixty-three thousand, two hundred thirty-four".