321400401401 has 16 divisors (see below), whose sum is σ = 328415551488. Its totient is φ = 314421307200.

The previous prime is 321400401367. The next prime is 321400401403. The reversal of 321400401401 is 104104004123.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321400401401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321400401403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81016520 + ... + 81020486.

It is an arithmetic number, because the mean of its divisors is an integer number (20525971968).

Almost surely, 2^321400401401 is an apocalyptic number.

It is an amenable number.

321400401401 is a deficient number, since it is larger than the sum of its proper divisors (7015150087).

321400401401 is a wasteful number, since it uses less digits than its factorization.

321400401401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8072.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 321400401401 its reverse (104104004123), we get a palindrome (425504405524).

The spelling of 321400401401 in words is "three hundred twenty-one billion, four hundred million, four hundred one thousand, four hundred one".