203233304130 has 128 divisors (see below), whose sum is σ = 522856857600. Its totient is φ = 50462141184.

The previous prime is 203233304117. The next prime is 203233304177. The reversal of 203233304130 is 31403332302.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 203233304130.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2921007 + ... + 2989773.

It is an arithmetic number, because the mean of its divisors is an integer number (4084819200).

Almost surely, 2^203233304130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203233304130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261428428800).

203233304130 is an abundant number, since it is smaller than the sum of its proper divisors (319623553470).

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

203233304130 is a wasteful number, since it uses less digits than its factorization.

203233304130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68928.

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 203233304130 its reverse (31403332302), we get a palindrome (234636636432).

The spelling of 203233304130 in words is "two hundred three billion, two hundred thirty-three million, three hundred four thousand, one hundred thirty".