10031216317 has 2 divisors, whose sum is σ = 10031216318. Its totient is φ = 10031216316.

The previous prime is 10031216303. The next prime is 10031216339. The reversal of 10031216317 is 71361213001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10011803481 + 19412836 = 100059^2 + 4406^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10031216317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10031216291 and 10031216300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10031216387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5015608158 + 5015608159.

It is an arithmetic number, because the mean of its divisors is an integer number (5015608159).

Almost surely, 2^10031216317 is an apocalyptic number.

It is an amenable number.

10031216317 is a deficient number, since it is larger than the sum of its proper divisors (1).

10031216317 is an equidigital number, since it uses as much as digits as its factorization.

10031216317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 25.

Adding to 10031216317 its reverse (71361213001), we get a palindrome (81392429318).

The spelling of 10031216317 in words is "ten billion, thirty-one million, two hundred sixteen thousand, three hundred seventeen".