321410220043243 has 8 divisors (see below), whose sum is σ = 345524984593920. Its totient is φ = 298015299210600.

The previous prime is 321410220043109. The next prime is 321410220043291. The reversal of 321410220043243 is 342340022014123.

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-321410220043243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321410250043243) 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, 179960928583 + ... + 179960930368.

It is an arithmetic number, because the mean of its divisors is an integer number (43190623074240).

Almost surely, 2^{321410220043243} is an apocalyptic number.

321410220043243 is a deficient number, since it is larger than the sum of its proper divisors (24114764550677).

321410220043243 is a wasteful number, since it uses less digits than its factorization.

321410220043243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359921859017.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 321410220043243 its reverse (342340022014123), we get a palindrome (663750242057366).

The spelling of 321410220043243 in words is "three hundred twenty-one trillion, four hundred ten billion, two hundred twenty million, forty-three thousand, two hundred forty-three".