321124042344401 has 4 divisors (see below), whose sum is σ = 321143667370992. Its totient is φ = 321104417317812.

The previous prime is 321124042344389. The next prime is 321124042344439. The reversal of 321124042344401 is 104443240421123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321124042344401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321124042344901) 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, 9812488751 + ... + 9812521476.

It is an arithmetic number, because the mean of its divisors is an integer number (80285916842748).

Almost surely, 2^{321124042344401} is an apocalyptic number.

It is an amenable number.

321124042344401 is a deficient number, since it is larger than the sum of its proper divisors (19625026591).

321124042344401 is a wasteful number, since it uses less digits than its factorization.

321124042344401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19625026590.

The product of its (nonzero) digits is 73728, while the sum is 35.

Adding to 321124042344401 its reverse (104443240421123), we get a palindrome (425567282765524).

The spelling of 321124042344401 in words is "three hundred twenty-one trillion, one hundred twenty-four billion, forty-two million, three hundred forty-four thousand, four hundred one".