204101831233 has 4 divisors (see below), whose sum is σ = 209618096980. Its totient is φ = 198585565488.

The previous prime is 204101831177. The next prime is 204101831299. The reversal of 204101831233 is 332138101402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 91063322289 + 113038508944 = 301767^2 + 336212^2 .

It is a cyclic number.

It is not a de Polignac number, because 204101831233 - 2²⁵ = 204068276801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204101831033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2758132818 + ... + 2758132891.

It is an arithmetic number, because the mean of its divisors is an integer number (52404524245).

Almost surely, 2^204101831233 is an apocalyptic number.

It is an amenable number.

204101831233 is a deficient number, since it is larger than the sum of its proper divisors (5516265747).

204101831233 is an equidigital number, since it uses as much as digits as its factorization.

204101831233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5516265746.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 204101831233 its reverse (332138101402), we get a palindrome (536239932635).

The spelling of 204101831233 in words is "two hundred four billion, one hundred one million, eight hundred thirty-one thousand, two hundred thirty-three".