31716204717 has 12 divisors (see below), whose sum is σ = 44922145856. Its totient is φ = 19900363200.

The previous prime is 31716204703. The next prime is 31716204733. The reversal of 31716204717 is 71740261713.

It is not a de Polignac number, because 31716204717 - 2⁴ = 31716204701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31716204017) 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 in 11 ways as a sum of consecutive naturals, for example, 18289909 + ... + 18291642.

Almost surely, 2^31716204717 is an apocalyptic number.

It is an amenable number.

31716204717 is a deficient number, since it is larger than the sum of its proper divisors (13205941139).

31716204717 is a wasteful number, since it uses less digits than its factorization.

31716204717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36581588 (or 36581571 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 39.

The spelling of 31716204717 in words is "thirty-one billion, seven hundred sixteen million, two hundred four thousand, seven hundred seventeen".