321003244401401 has 4 divisors (see below), whose sum is σ = 321003429487092. Its totient is φ = 321003059315712.

The previous prime is 321003244401293. The next prime is 321003244401409. The reversal of 321003244401401 is 104104442300123.

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 143532356289001 + 177470888112400 = 11980499^2 + 13321820^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321003244401401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321003244401409) 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, 89916476 + ... + 93418301.

It is an arithmetic number, because the mean of its divisors is an integer number (80250857371773).

Almost surely, 2^{321003244401401} is an apocalyptic number.

It is an amenable number.

321003244401401 is a deficient number, since it is larger than the sum of its proper divisors (185085691).

321003244401401 is a wasteful number, since it uses less digits than its factorization.

321003244401401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185085690.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 321003244401401 its reverse (104104442300123), we get a palindrome (425107686701524).

The spelling of 321003244401401 in words is "three hundred twenty-one trillion, three billion, two hundred forty-four million, four hundred one thousand, four hundred one".