320302120210109 has 2 divisors, whose sum is σ = 320302120210110. Its totient is φ = 320302120210108.

The previous prime is 320302120210103. The next prime is 320302120210159. The reversal of 320302120210109 is 901012021203023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 301691714025625 + 18610406184484 = 17369275^2 + 4313978^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320302120210109 is a prime.

It is a super-2 number, since 2×320302120210109² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320302120210103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160151060105054 + 160151060105055.

It is an arithmetic number, because the mean of its divisors is an integer number (160151060105055).

Almost surely, 2^{320302120210109} is an apocalyptic number.

It is an amenable number.

320302120210109 is a deficient number, since it is larger than the sum of its proper divisors (1).

320302120210109 is an equidigital number, since it uses as much as digits as its factorization.

320302120210109 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 26.

The spelling of 320302120210109 in words is "three hundred twenty trillion, three hundred two billion, one hundred twenty million, two hundred ten thousand, one hundred nine".