31263617114717 has 4 divisors (see below), whose sum is σ = 33668510738940. Its totient is φ = 28858723490496.

The previous prime is 31263617114713. The next prime is 31263617114767. The reversal of 31263617114717 is 71741171636213.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8277479997721 + 22986137116996 = 2877061^2 + 4794386^2 .

It is a cyclic number.

It is not a de Polignac number, because 31263617114717 - 2² = 31263617114713 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31263617114713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1202446812092 + ... + 1202446812117.

It is an arithmetic number, because the mean of its divisors is an integer number (8417127684735).

Almost surely, 2^{31263617114717} is an apocalyptic number.

It is an amenable number.

31263617114717 is a deficient number, since it is larger than the sum of its proper divisors (2404893624223).

31263617114717 is a wasteful number, since it uses less digits than its factorization.

31263617114717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2404893624222.

The product of its digits is 889056, while the sum is 50.

The spelling of 31263617114717 in words is "thirty-one trillion, two hundred sixty-three billion, six hundred seventeen million, one hundred fourteen thousand, seven hundred seventeen".