30517699115317 has 2 divisors, whose sum is σ = 30517699115318. Its totient is φ = 30517699115316.

The previous prime is 30517699115287. The next prime is 30517699115329. The reversal of 30517699115317 is 71351199671503.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18268777091601 + 12248922023716 = 4274199^2 + 3499846^2 .

It is an emirp because it is prime and its reverse (71351199671503) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30517699115317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30517699115117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15258849557658 + 15258849557659.

It is an arithmetic number, because the mean of its divisors is an integer number (15258849557659).

Almost surely, 2^{30517699115317} is an apocalyptic number.

It is an amenable number.

30517699115317 is a deficient number, since it is larger than the sum of its proper divisors (1).

30517699115317 is an equidigital number, since it uses as much as digits as its factorization.

30517699115317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5358150, while the sum is 58.

The spelling of 30517699115317 in words is "thirty trillion, five hundred seventeen billion, six hundred ninety-nine million, one hundred fifteen thousand, three hundred seventeen".