321131442241 has 8 divisors (see below), whose sum is σ = 329075064864. Its totient is φ = 313193112480.

The previous prime is 321131442223. The next prime is 321131442349. The reversal of 321131442241 is 142244131123.

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 a de Polignac number, because none of the positive numbers 2^k-321131442241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321131440241) 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 7 ways as a sum of consecutive naturals, for example, 1200231 + ... + 1443196.

It is an arithmetic number, because the mean of its divisors is an integer number (41134383108).

Almost surely, 2^321131442241 is an apocalyptic number.

It is an amenable number.

321131442241 is a deficient number, since it is larger than the sum of its proper divisors (7943622623).

321131442241 is a wasteful number, since it uses less digits than its factorization.

321131442241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2646431.

The product of its digits is 4608, while the sum is 28.

Adding to 321131442241 its reverse (142244131123), we get a palindrome (463375573364).

The spelling of 321131442241 in words is "three hundred twenty-one billion, one hundred thirty-one million, four hundred forty-two thousand, two hundred forty-one".