203321233333133 has 16 divisors (see below), whose sum is σ = 207692000888064. Its totient is φ = 198952337064960.

The previous prime is 203321233333109. The next prime is 203321233333189. The reversal of 203321233333133 is 331333332123302.

It is a cyclic number.

It is not a de Polignac number, because 203321233333133 - 2¹⁰ = 203321233332109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203321233333093 and 203321233333102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203321233333433) 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, 6055355441 + ... + 6055389017.

It is an arithmetic number, because the mean of its divisors is an integer number (12980750055504).

Almost surely, 2^{203321233333133} is an apocalyptic number.

It is an amenable number.

203321233333133 is a deficient number, since it is larger than the sum of its proper divisors (4370767554931).

203321233333133 is a wasteful number, since it uses less digits than its factorization.

203321233333133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57572.

The product of its (nonzero) digits is 157464, while the sum is 35.

Adding to 203321233333133 its reverse (331333332123302), we get a palindrome (534654565456435).

The spelling of 203321233333133 in words is "two hundred three trillion, three hundred twenty-one billion, two hundred thirty-three million, three hundred thirty-three thousand, one hundred thirty-three".