203143014021 has 8 divisors (see below), whose sum is σ = 275967868320. Its totient is φ = 132873417872.

The previous prime is 203143014007. The next prime is 203143014023. The reversal of 203143014021 is 120410341302.

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

It is a cyclic number.

It is not a de Polignac number, because 203143014021 - 2¹⁹ = 203142489733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203143014023) 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 7 ways as a sum of consecutive naturals, for example, 638814351 + ... + 638814668.

It is an arithmetic number, because the mean of its divisors is an integer number (34495983540).

Almost surely, 2^203143014021 is an apocalyptic number.

It is an amenable number.

203143014021 is a deficient number, since it is larger than the sum of its proper divisors (72824854299).

203143014021 is a wasteful number, since it uses less digits than its factorization.

203143014021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277629075.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 203143014021 its reverse (120410341302), we get a palindrome (323553355323).

The spelling of 203143014021 in words is "two hundred three billion, one hundred forty-three million, fourteen thousand, twenty-one".