321440420401301 has 16 divisors (see below), whose sum is σ = 325080968889600. Its totient is φ = 317813938810368.

The previous prime is 321440420401283. The next prime is 321440420401327. The reversal of 321440420401301 is 103104024044123.

It is a cyclic number.

It is not a de Polignac number, because 321440420401301 - 2¹⁰ = 321440420400277 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 (321440420401361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 723666260 + ... + 724110306.

It is an arithmetic number, because the mean of its divisors is an integer number (20317560555600).

Almost surely, 2^{321440420401301} is an apocalyptic number.

It is an amenable number.

321440420401301 is a deficient number, since it is larger than the sum of its proper divisors (3640548488299).

321440420401301 is a wasteful number, since it uses less digits than its factorization.

321440420401301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459868.

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

Adding to 321440420401301 its reverse (103104024044123), we get a palindrome (424544444445424).

The spelling of 321440420401301 in words is "three hundred twenty-one trillion, four hundred forty billion, four hundred twenty million, four hundred one thousand, three hundred one".