320023003131917 has 2 divisors, whose sum is σ = 320023003131918. Its totient is φ = 320023003131916.

The previous prime is 320023003131901. The next prime is 320023003132057. The reversal of 320023003131917 is 719131300320023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 234252177479401 + 85770825652516 = 15305299^2 + 9261254^2 .

It is a cyclic number.

It is not a de Polignac number, because 320023003131917 - 2⁴ = 320023003131901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320023003131217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160011501565958 + 160011501565959.

It is an arithmetic number, because the mean of its divisors is an integer number (160011501565959).

Almost surely, 2^{320023003131917} is an apocalyptic number.

It is an amenable number.

320023003131917 is a deficient number, since it is larger than the sum of its proper divisors (1).

320023003131917 is an equidigital number, since it uses as much as digits as its factorization.

320023003131917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 35.

The spelling of 320023003131917 in words is "three hundred twenty trillion, twenty-three billion, three million, one hundred thirty-one thousand, nine hundred seventeen".