203112302133 has 16 divisors (see below), whose sum is σ = 291796364160. Its totient is φ = 124928787264.

The previous prime is 203112302093. The next prime is 203112302161. The reversal of 203112302133 is 331203211302.

It is not a de Polignac number, because 203112302133 - 2⁹ = 203112301621 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203112202133) 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, 1242873 + ... + 1396766.

It is an arithmetic number, because the mean of its divisors is an integer number (18237272760).

Almost surely, 2^203112302133 is an apocalyptic number.

It is an amenable number.

203112302133 is a deficient number, since it is larger than the sum of its proper divisors (88684062027).

203112302133 is a wasteful number, since it uses less digits than its factorization.

203112302133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2641628.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 203112302133 its reverse (331203211302), we get a palindrome (534315513435).

The spelling of 203112302133 in words is "two hundred three billion, one hundred twelve million, three hundred two thousand, one hundred thirty-three".