204442334221231 has 4 divisors (see below), whose sum is σ = 215202457075000. Its totient is φ = 193682211367464.

The previous prime is 204442334221157. The next prime is 204442334221253. The reversal of 204442334221231 is 132122433244402.

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

It is a cyclic number.

It is not a de Polignac number, because 204442334221231 - 2¹¹ = 204442334219183 is a prime.

It is a super-2 number, since 2×204442334221231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204442334221271) 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, 5380061426856 + ... + 5380061426893.

It is an arithmetic number, because the mean of its divisors is an integer number (53800614268750).

Almost surely, 2^{204442334221231} is an apocalyptic number.

204442334221231 is a deficient number, since it is larger than the sum of its proper divisors (10760122853769).

204442334221231 is a wasteful number, since it uses less digits than its factorization.

204442334221231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10760122853768.

The product of its (nonzero) digits is 221184, while the sum is 37.

Adding to 204442334221231 its reverse (132122433244402), we get a palindrome (336564767465633).

The spelling of 204442334221231 in words is "two hundred four trillion, four hundred forty-two billion, three hundred thirty-four million, two hundred twenty-one thousand, two hundred thirty-one".