321311322001 has 8 divisors (see below), whose sum is σ = 325193772960. Its totient is φ = 317429138592.

The previous prime is 321311321993. The next prime is 321311322019. The reversal of 321311322001 is 100223113123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 321311322001 - 2³ = 321311321993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 321311322001.

It is not an unprimeable number, because it can be changed into a prime (321311322071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3474306 + ... + 3565588.

It is an arithmetic number, because the mean of its divisors is an integer number (40649221620).

Almost surely, 2^321311322001 is an apocalyptic number.

It is an amenable number.

321311322001 is a deficient number, since it is larger than the sum of its proper divisors (3882450959).

321311322001 is an equidigital number, since it uses as much as digits as its factorization.

321311322001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133775.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 321311322001 its reverse (100223113123), we get a palindrome (421534435124).

The spelling of 321311322001 in words is "three hundred twenty-one billion, three hundred eleven million, three hundred twenty-two thousand, one".