203142130 has 16 divisors (see below), whose sum is σ = 368112600. Its totient is φ = 80710912.

The previous prime is 203142119. The next prime is 203142151. The reversal of 203142130 is 31241302.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 91987281 + 111154849 = 9591^2 + 10543^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66679 + ... + 69658.

Almost surely, 2^203142130 is an apocalyptic number.

203142130 is a deficient number, since it is larger than the sum of its proper divisors (164970470).

203142130 is a wasteful number, since it uses less digits than its factorization.

203142130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136493.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 203142130 is about 14252.7937612245. The cubic root of 203142130 is about 587.8501959224.

Adding to 203142130 its reverse (31241302), we get a palindrome (234383432).

The spelling of 203142130 in words is "two hundred three million, one hundred forty-two thousand, one hundred thirty".