143130203 has 4 divisors (see below), whose sum is σ = 143214528. Its totient is φ = 143045880.

The previous prime is 143130161. The next prime is 143130209. The reversal of 143130203 is 302031341.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302031341 = 3191 ⋅94651.

It is a cyclic number.

It is not a de Polignac number, because 143130203 - 2⁸ = 143129947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143130209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39563 + ... + 43028.

It is an arithmetic number, because the mean of its divisors is an integer number (35803632).

Almost surely, 2^143130203 is an apocalyptic number.

143130203 is a deficient number, since it is larger than the sum of its proper divisors (84325).

143130203 is an equidigital number, since it uses as much as digits as its factorization.

143130203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84324.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 143130203 is about 11963.7035653680. The cubic root of 143130203 is about 523.0908167673.

Adding to 143130203 its reverse (302031341), we get a palindrome (445161544).

The spelling of 143130203 in words is "one hundred forty-three million, one hundred thirty thousand, two hundred three".