203130201443 has 16 divisors (see below), whose sum is σ = 232354332000. Its totient is φ = 175918342656.

The previous prime is 203130201383. The next prime is 203130201457. The reversal of 203130201443 is 344102031302.

203130201443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203130201443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203130200443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1379693 + ... + 1519806.

It is an arithmetic number, because the mean of its divisors is an integer number (14522145750).

Almost surely, 2^203130201443 is an apocalyptic number.

203130201443 is a deficient number, since it is larger than the sum of its proper divisors (29224130557).

203130201443 is a wasteful number, since it uses less digits than its factorization.

203130201443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2899846.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 203130201443 its reverse (344102031302), we get a palindrome (547232232745).

The spelling of 203130201443 in words is "two hundred three billion, one hundred thirty million, two hundred one thousand, four hundred forty-three".