203130130 has 32 divisors (see below), whose sum is σ = 418610304. Its totient is φ = 69520896.

The previous prime is 203130107. The next prime is 203130139. The reversal of 203130130 is 31031302.

It is a self number, because there is not a number n which added to its sum of digits gives 203130130.

It is not an unprimeable number, because it can be changed into a prime (203130139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42754 + ... + 47266.

It is an arithmetic number, because the mean of its divisors is an integer number (13081572).

Almost surely, 2^203130130 is an apocalyptic number.

203130130 is an abundant number, since it is smaller than the sum of its proper divisors (215480174).

203130130 is a wasteful number, since it uses less digits than its factorization.

203130130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5170.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 203130130 is about 14252.3727849085. The cubic root of 203130130 is about 587.8386205437.

Adding to 203130130 its reverse (31031302), we get a palindrome (234161432).

The spelling of 203130130 in words is "two hundred three million, one hundred thirty thousand, one hundred thirty".