321013123220441 has 4 divisors (see below), whose sum is σ = 321085734200484. Its totient is φ = 320940512240400.

The previous prime is 321013123220411. The next prime is 321013123220509. The reversal of 321013123220441 is 144022321310123.

It is a happy number.

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 118600899283216 + 202412223937225 = 10890404^2 + 14227165^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321013123220441 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (321013123220411) 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, 36305483390 + ... + 36305492231.

It is an arithmetic number, because the mean of its divisors is an integer number (80271433550121).

Almost surely, 2^{321013123220441} is an apocalyptic number.

It is an amenable number.

321013123220441 is a deficient number, since it is larger than the sum of its proper divisors (72610980043).

321013123220441 is an equidigital number, since it uses as much as digits as its factorization.

321013123220441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72610980042.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 321013123220441 its reverse (144022321310123), we get a palindrome (465035444530564).

The spelling of 321013123220441 in words is "three hundred twenty-one trillion, thirteen billion, one hundred twenty-three million, two hundred twenty thousand, four hundred forty-one".