203130490 has 12 divisors (see below), whose sum is σ = 365716026. Its totient is φ = 81234168.

The previous prime is 203130479. The next prime is 203130509. The reversal of 203130490 is 94031302.

203130490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 182817441 + 20313049 = 13521^2 + 4507^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42817 + ... + 47323.

Almost surely, 2^203130490 is an apocalyptic number.

203130490 is a deficient number, since it is larger than the sum of its proper divisors (162585536).

203130490 is an frugal number, since it uses more digits than its factorization.

203130490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9021 (or 4514 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 203130490 is about 14252.3854143789. The cubic root of 203130490 is about 587.8389678117.

Adding to 203130490 its reverse (94031302), we get a palindrome (297161792).

The spelling of 203130490 in words is "two hundred three million, one hundred thirty thousand, four hundred ninety".