321440210042341 has 4 divisors (see below), whose sum is σ = 346166380045612. Its totient is φ = 296714040039072.

The previous prime is 321440210042327. The next prime is 321440210042383. The reversal of 321440210042341 is 143240012044123.

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 143183265378241 + 178256944664100 = 11965921^2 + 13351290^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321440210042341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321440210042041) 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, 12363085001616 + ... + 12363085001641.

It is an arithmetic number, because the mean of its divisors is an integer number (86541595011403).

Almost surely, 2^{321440210042341} is an apocalyptic number.

It is an amenable number.

321440210042341 is a deficient number, since it is larger than the sum of its proper divisors (24726170003271).

321440210042341 is a wasteful number, since it uses less digits than its factorization.

321440210042341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24726170003270.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 321440210042341 its reverse (143240012044123), we get a palindrome (464680222086464).

The spelling of 321440210042341 in words is "three hundred twenty-one trillion, four hundred forty billion, two hundred ten million, forty-two thousand, three hundred forty-one".