204144151321 has 8 divisors (see below), whose sum is σ = 224907689088. Its totient is φ = 183748110000.

The previous prime is 204144151229. The next prime is 204144151339. The reversal of 204144151321 is 123151441402.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 204144151321 - 2⁷ = 204144151193 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 204144151321.

It is not an unprimeable number, because it can be changed into a prime (204144151391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91872945 + ... + 91875166.

It is an arithmetic number, because the mean of its divisors is an integer number (28113461136).

Almost surely, 2^204144151321 is an apocalyptic number.

It is an amenable number.

204144151321 is a deficient number, since it is larger than the sum of its proper divisors (20763537767).

204144151321 is a wasteful number, since it uses less digits than its factorization.

204144151321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183748223.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 204144151321 its reverse (123151441402), we get a palindrome (327295592723).

The spelling of 204144151321 in words is "two hundred four billion, one hundred forty-four million, one hundred fifty-one thousand, three hundred twenty-one".