321303028001 has 2 divisors, whose sum is σ = 321303028002. Its totient is φ = 321303028000.

The previous prime is 321303027967. The next prime is 321303028019. The reversal of 321303028001 is 100820303123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 169262302225 + 152040725776 = 411415^2 + 389924^2 .

It is a cyclic number.

It is not a de Polignac number, because 321303028001 - 2¹⁸ = 321302765857 is a prime.

It is a super-2 number, since 2×321303028001² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (321303028021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160651514000 + 160651514001.

It is an arithmetic number, because the mean of its divisors is an integer number (160651514001).

Almost surely, 2^321303028001 is an apocalyptic number.

It is an amenable number.

321303028001 is a deficient number, since it is larger than the sum of its proper divisors (1).

321303028001 is an equidigital number, since it uses as much as digits as its factorization.

321303028001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The spelling of 321303028001 in words is "three hundred twenty-one billion, three hundred three million, twenty-eight thousand, one".