204231332133 has 24 divisors (see below), whose sum is σ = 300764262240. Its totient is φ = 133497542880.

The previous prime is 204231332111. The next prime is 204231332143. The reversal of 204231332133 is 331233132402.

204231332133 is a `hidden beast` number, since 20 + 4 + 2 + 313 + 321 + 3 + 3 = 666.

It is not a de Polignac number, because 204231332133 - 2¹³ = 204231323941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 204231332097 and 204231332106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204231332143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 590458 + ... + 870116.

It is an arithmetic number, because the mean of its divisors is an integer number (12531844260).

Almost surely, 2^204231332133 is an apocalyptic number.

It is an amenable number.

204231332133 is a deficient number, since it is larger than the sum of its proper divisors (96532930107).

204231332133 is a wasteful number, since it uses less digits than its factorization.

204231332133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281249 (or 281246 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 204231332133 its reverse (331233132402), we get a palindrome (535464464535).

The spelling of 204231332133 in words is "two hundred four billion, two hundred thirty-one million, three hundred thirty-two thousand, one hundred thirty-three".