321204142144441 has 8 divisors (see below), whose sum is σ = 325176264249984. Its totient is φ = 317234453198160.

The previous prime is 321204142144331. The next prime is 321204142144453. The reversal of 321204142144441 is 144441241402123.

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 321204142144441 - 2¹¹ = 321204142142393 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 321204142144441.

It is not an unprimeable number, because it can be changed into a prime (321204142144141) 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, 608024161 + ... + 608552206.

It is an arithmetic number, because the mean of its divisors is an integer number (40647033031248).

Almost surely, 2^{321204142144441} is an apocalyptic number.

It is an amenable number.

321204142144441 is a deficient number, since it is larger than the sum of its proper divisors (3972122105543).

321204142144441 is a wasteful number, since it uses less digits than its factorization.

321204142144441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216579631.

The product of its (nonzero) digits is 98304, while the sum is 37.

Adding to 321204142144441 its reverse (144441241402123), we get a palindrome (465645383546564).

The spelling of 321204142144441 in words is "three hundred twenty-one trillion, two hundred four billion, one hundred forty-two million, one hundred forty-four thousand, four hundred forty-one".