204013231133 has 4 divisors (see below), whose sum is σ = 207058204800. Its totient is φ = 200968257468.

The previous prime is 204013231111. The next prime is 204013231153. The reversal of 204013231133 is 331132310402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 204013231133 - 2⁶ = 204013231069 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 204013231099 and 204013231108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204013231153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1522486733 + ... + 1522486866.

It is an arithmetic number, because the mean of its divisors is an integer number (51764551200).

Almost surely, 2^204013231133 is an apocalyptic number.

It is an amenable number.

204013231133 is a deficient number, since it is larger than the sum of its proper divisors (3044973667).

204013231133 is an equidigital number, since it uses as much as digits as its factorization.

204013231133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3044973666.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 204013231133 its reverse (331132310402), we get a palindrome (535145541535).

The spelling of 204013231133 in words is "two hundred four billion, thirteen million, two hundred thirty-one thousand, one hundred thirty-three".