8231317 has 2 divisors, whose sum is σ = 8231318. Its totient is φ = 8231316.

The previous prime is 8231303. The next prime is 8231329. The reversal of 8231317 is 7131328.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8059921 + 171396 = 2839^2 + 414^2 .

It is a cyclic number.

It is not a de Polignac number, because 8231317 - 2¹¹ = 8229269 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8231291 and 8231300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8231347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4115658 + 4115659.

It is an arithmetic number, because the mean of its divisors is an integer number (4115659).

Almost surely, 2^8231317 is an apocalyptic number.

It is an amenable number.

8231317 is a deficient number, since it is larger than the sum of its proper divisors (1).

8231317 is an equidigital number, since it uses as much as digits as its factorization.

8231317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008, while the sum is 25.

The square root of 8231317 is about 2869.0271870444. The cubic root of 8231317 is about 201.9093554683.

The spelling of 8231317 in words is "eight million, two hundred thirty-one thousand, three hundred seventeen".