321320301013 has 2 divisors, whose sum is σ = 321320301014. Its totient is φ = 321320301012.

The previous prime is 321320300989. The next prime is 321320301037. The reversal of 321320301013 is 310103023123.

It is a balanced prime because it is at equal distance from previous prime (321320300989) and next prime (321320301037).

It can be written as a sum of positive squares in only one way, i.e., 177461672644 + 143858628369 = 421262^2 + 379287^2 .

It is a cyclic number.

It is not a de Polignac number, because 321320301013 - 2¹⁷ = 321320169941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321320301073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160660150506 + 160660150507.

It is an arithmetic number, because the mean of its divisors is an integer number (160660150507).

Almost surely, 2^321320301013 is an apocalyptic number.

It is an amenable number.

321320301013 is a deficient number, since it is larger than the sum of its proper divisors (1).

321320301013 is an equidigital number, since it uses as much as digits as its factorization.

321320301013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 321320301013 its reverse (310103023123), we get a palindrome (631423324136).

The spelling of 321320301013 in words is "three hundred twenty-one billion, three hundred twenty million, three hundred one thousand, thirteen".