203203213133 has 16 divisors (see below), whose sum is σ = 204838502400. Its totient is φ = 201575831280.

The previous prime is 203203213127. The next prime is 203203213159. The reversal of 203203213133 is 331312302302.

It is a cyclic number.

It is not a de Polignac number, because 203203213133 - 2¹⁶ = 203203147597 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203203213099 and 203203213108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203203213333) 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, 134481848 + ... + 134483358.

It is an arithmetic number, because the mean of its divisors is an integer number (12802406400).

Almost surely, 2^203203213133 is an apocalyptic number.

It is an amenable number.

203203213133 is a deficient number, since it is larger than the sum of its proper divisors (1635289267).

203203213133 is a wasteful number, since it uses less digits than its factorization.

203203213133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3472.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 203203213133 its reverse (331312302302), we get a palindrome (534515515435).

The spelling of 203203213133 in words is "two hundred three billion, two hundred three million, two hundred thirteen thousand, one hundred thirty-three".