201203203103 has 16 divisors (see below), whose sum is σ = 235995301440. Its totient is φ = 167970806016.

The previous prime is 201203203067. The next prime is 201203203109. The reversal of 201203203103 is 301302302102.

It is a cyclic number.

It is not a de Polignac number, because 201203203103 - 2⁶ = 201203203039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201203203109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1928468 + ... + 2030121.

It is an arithmetic number, because the mean of its divisors is an integer number (14749706340).

Almost surely, 2^201203203103 is an apocalyptic number.

201203203103 is a deficient number, since it is larger than the sum of its proper divisors (34792098337).

201203203103 is a wasteful number, since it uses less digits than its factorization.

201203203103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3958786.

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

Adding to 201203203103 its reverse (301302302102), we get a palindrome (502505505205).

It can be divided in two parts, 20120 and 3203103, that added together give a palindrome (3223223).

The spelling of 201203203103 in words is "two hundred one billion, two hundred three million, two hundred three thousand, one hundred three".