321441423414361 has 4 divisors (see below), whose sum is σ = 321470254838500. Its totient is φ = 321412591990224.

The previous prime is 321441423414359. The next prime is 321441423414427. The reversal of 321441423414361 is 163414324144123.

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

It can be written as a sum of positive squares in 2 ways, for example, as 180756086037136 + 140685337377225 = 13444556^2 + 11861085^2 .

It is a cyclic number.

It is not a de Polignac number, because 321441423414361 - 2¹ = 321441423414359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321441423424361) 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, 14415695346 + ... + 14415717643.

It is an arithmetic number, because the mean of its divisors is an integer number (80367563709625).

Almost surely, 2^{321441423414361} is an apocalyptic number.

It is an amenable number.

321441423414361 is a deficient number, since it is larger than the sum of its proper divisors (28831424139).

321441423414361 is a wasteful number, since it uses less digits than its factorization.

321441423414361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28831424138.

The product of its digits is 663552, while the sum is 43.

Adding to 321441423414361 its reverse (163414324144123), we get a palindrome (484855747558484).

The spelling of 321441423414361 in words is "three hundred twenty-one trillion, four hundred forty-one billion, four hundred twenty-three million, four hundred fourteen thousand, three hundred sixty-one".