24320520317 has 2 divisors, whose sum is σ = 24320520318. Its totient is φ = 24320520316.

The previous prime is 24320520281. The next prime is 24320520319. The reversal of 24320520317 is 71302502342.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24275509636 + 45010681 = 155806^2 + 6709^2 .

It is a cyclic number.

It is not a de Polignac number, because 24320520317 - 2¹⁸ = 24320258173 is a prime.

Together with 24320520319, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 24320520317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24320520319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12160260158 + 12160260159.

It is an arithmetic number, because the mean of its divisors is an integer number (12160260159).

Almost surely, 2^24320520317 is an apocalyptic number.

It is an amenable number.

24320520317 is a deficient number, since it is larger than the sum of its proper divisors (1).

24320520317 is an equidigital number, since it uses as much as digits as its factorization.

24320520317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 29.

The spelling of 24320520317 in words is "twenty-four billion, three hundred twenty million, five hundred twenty thousand, three hundred seventeen".