320103310231217 has 2 divisors, whose sum is σ = 320103310231218. Its totient is φ = 320103310231216.

The previous prime is 320103310231121. The next prime is 320103310231249. The reversal of 320103310231217 is 712132013301023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 320029236988321 + 74073242896 = 17889361^2 + 272164^2 .

It is a cyclic number.

It is not a de Polignac number, because 320103310231217 - 2²⁴ = 320103293454001 is a prime.

It is a super-2 number, since 2×320103310231217² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 320103310231217.

It is not a weakly prime, because it can be changed into another prime (320103310230217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160051655115608 + 160051655115609.

It is an arithmetic number, because the mean of its divisors is an integer number (160051655115609).

Almost surely, 2^{320103310231217} is an apocalyptic number.

It is an amenable number.

320103310231217 is a deficient number, since it is larger than the sum of its proper divisors (1).

320103310231217 is an equidigital number, since it uses as much as digits as its factorization.

320103310231217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 29.

The spelling of 320103310231217 in words is "three hundred twenty trillion, one hundred three billion, three hundred ten million, two hundred thirty-one thousand, two hundred seventeen".