321134343121 has 4 divisors (see below), whose sum is σ = 321151777600. Its totient is φ = 321116908644.

The previous prime is 321134343083. The next prime is 321134343149. The reversal of 321134343121 is 121343431123.

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 321134343121 - 2⁷ = 321134342993 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 321134343121.

It is not an unprimeable number, because it can be changed into a prime (321134383121) 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, 8689581 + ... + 8726458.

It is an arithmetic number, because the mean of its divisors is an integer number (80287944400).

Almost surely, 2^321134343121 is an apocalyptic number.

It is an amenable number.

321134343121 is a deficient number, since it is larger than the sum of its proper divisors (17434479).

321134343121 is a wasteful number, since it uses less digits than its factorization.

321134343121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17434478.

The product of its digits is 5184, while the sum is 28.

Adding to 321134343121 its reverse (121343431123), we get a palindrome (442477774244).

The spelling of 321134343121 in words is "three hundred twenty-one billion, one hundred thirty-four million, three hundred forty-three thousand, one hundred twenty-one".