31768886713 has 4 divisors (see below), whose sum is σ = 32307342480. Its totient is φ = 31230430948.

The previous prime is 31768886657. The next prime is 31768886771.

31768886713 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31768886713 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31768886113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269227795 + ... + 269227912.

It is an arithmetic number, because the mean of its divisors is an integer number (8076835620).

Almost surely, 2^31768886713 is an apocalyptic number.

It is an amenable number.

31768886713 is a deficient number, since it is larger than the sum of its proper divisors (538455767).

31768886713 is an equidigital number, since it uses as much as digits as its factorization.

31768886713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538455766.

The product of its digits is 8128512, while the sum is 58.

The spelling of 31768886713 in words is "thirty-one billion, seven hundred sixty-eight million, eight hundred eighty-six thousand, seven hundred thirteen".