203130430130 has 32 divisors (see below), whose sum is σ = 386108467200. Its totient is φ = 76729790592.

The previous prime is 203130430123. The next prime is 203130430163. The reversal of 203130430130 is 31034031302.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1648370 + ... + 1767309.

It is an arithmetic number, because the mean of its divisors is an integer number (12065889600).

Almost surely, 2^203130430130 is an apocalyptic number.

203130430130 is a deficient number, since it is larger than the sum of its proper divisors (182978037070).

203130430130 is a wasteful number, since it uses less digits than its factorization.

203130430130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3416018.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 203130430130 its reverse (31034031302), we get a palindrome (234164461432).

The spelling of 203130430130 in words is "two hundred three billion, one hundred thirty million, four hundred thirty thousand, one hundred thirty".