321010000001 has 4 divisors (see below), whose sum is σ = 321835218900. Its totient is φ = 320184781104.

The previous prime is 321009999967. The next prime is 321010000019. The reversal of 321010000001 is 100000010123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100000010123 = 13 ⋅7692308471.

It can be written as a sum of positive squares in 2 ways, for example, as 233408799376 + 87601200625 = 483124^2 + 295975^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321010000001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321010000061) 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, 412608866 + ... + 412609643.

It is an arithmetic number, because the mean of its divisors is an integer number (80458804725).

Almost surely, 2^321010000001 is an apocalyptic number.

It is an amenable number.

321010000001 is a deficient number, since it is larger than the sum of its proper divisors (825218899).

321010000001 is an equidigital number, since it uses as much as digits as its factorization.

321010000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825218898.

The product of its (nonzero) digits is 6, while the sum is 8.

Adding to 321010000001 its reverse (100000010123), we get a palindrome (421010010124).

The spelling of 321010000001 in words is "three hundred twenty-one billion, ten million, one", and thus it is an aban number.