320030101221361 has 2 divisors, whose sum is σ = 320030101221362. Its totient is φ = 320030101221360.

The previous prime is 320030101221353. The next prime is 320030101221371. The reversal of 320030101221361 is 163122101030023.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 225776468739600 + 94253632481761 = 15025860^2 + 9708431^2 .

It is a cyclic number.

It is not a de Polignac number, because 320030101221361 - 2³ = 320030101221353 is a prime.

It is not a weakly prime, because it can be changed into another prime (320030101221371) 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, 160015050610680 + 160015050610681.

It is an arithmetic number, because the mean of its divisors is an integer number (160015050610681).

Almost surely, 2^{320030101221361} is an apocalyptic number.

It is an amenable number.

320030101221361 is a deficient number, since it is larger than the sum of its proper divisors (1).

320030101221361 is an equidigital number, since it uses as much as digits as its factorization.

320030101221361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 320030101221361 its reverse (163122101030023), we get a palindrome (483152202251384).

The spelling of 320030101221361 in words is "three hundred twenty trillion, thirty billion, one hundred one million, two hundred twenty-one thousand, three hundred sixty-one".