203103343312 has 80 divisors (see below), whose sum is σ = 446177157120. Its totient is φ = 89055331200.

The previous prime is 203103343283. The next prime is 203103343319. The reversal of 203103343312 is 213343301302.

203103343312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203103343319) 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, 251764 + ... + 685267.

It is an arithmetic number, because the mean of its divisors is an integer number (5577214464).

Almost surely, 2^203103343312 is an apocalyptic number.

It is an amenable number.

203103343312 is an abundant number, since it is smaller than the sum of its proper divisors (243073813808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203103343312 is a wasteful number, since it uses less digits than its factorization.

203103343312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937112 (or 937106 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 203103343312 its reverse (213343301302), we get a palindrome (416446644614).

The spelling of 203103343312 in words is "two hundred three billion, one hundred three million, three hundred forty-three thousand, three hundred twelve".