320330323311247 has 2 divisors, whose sum is σ = 320330323311248. Its totient is φ = 320330323311246.

The previous prime is 320330323311181. The next prime is 320330323311301. The reversal of 320330323311247 is 742113323033023.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 320330323311247 - 2³⁹ = 319780567497359 is a prime.

It is a super-2 number, since 2×320330323311247² (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 (320330323311847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160165161655623 + 160165161655624.

It is an arithmetic number, because the mean of its divisors is an integer number (160165161655624).

Almost surely, 2^{320330323311247} is an apocalyptic number.

320330323311247 is a deficient number, since it is larger than the sum of its proper divisors (1).

320330323311247 is an equidigital number, since it uses as much as digits as its factorization.

320330323311247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 37.

The spelling of 320330323311247 in words is "three hundred twenty trillion, three hundred thirty billion, three hundred twenty-three million, three hundred eleven thousand, two hundred forty-seven".