321311004402101 has 16 divisors (see below), whose sum is σ = 379906894631040. Its totient is φ = 265890284493120.

The previous prime is 321311004402067. The next prime is 321311004402197. The reversal of 321311004402101 is 101204400113123.

It is not a de Polignac number, because 321311004402101 - 2⁴⁶ = 250942260224437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321311004902101) 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, 63852371 + ... + 68700416.

It is an arithmetic number, because the mean of its divisors is an integer number (23744180914440).

Almost surely, 2^{321311004402101} is an apocalyptic number.

It is an amenable number.

321311004402101 is a deficient number, since it is larger than the sum of its proper divisors (58595890228939).

321311004402101 is a wasteful number, since it uses less digits than its factorization.

321311004402101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132564764.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 321311004402101 its reverse (101204400113123), we get a palindrome (422515404515224).

The spelling of 321311004402101 in words is "three hundred twenty-one trillion, three hundred eleven billion, four million, four hundred two thousand, one hundred one".