203040130 has 8 divisors (see below), whose sum is σ = 365472252. Its totient is φ = 81216048.

The previous prime is 203040121. The next prime is 203040133. The reversal of 203040130 is 31040302.

It can be written as a sum of positive squares in 2 ways, for example, as 191020041 + 12020089 = 13821^2 + 3467^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 203040130.

It is not an unprimeable number, because it can be changed into a prime (203040133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10151997 + ... + 10152016.

Almost surely, 2^203040130 is an apocalyptic number.

203040130 is a deficient number, since it is larger than the sum of its proper divisors (162432122).

203040130 is a wasteful number, since it uses less digits than its factorization.

203040130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20304020.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 203040130 is about 14249.2150661010. The cubic root of 203040130 is about 587.7517906688.

Adding to 203040130 its reverse (31040302), we get a palindrome (234080432).

The spelling of 203040130 in words is "two hundred three million, forty thousand, one hundred thirty".