31317803713 has 8 divisors (see below), whose sum is σ = 35940291200. Its totient is φ = 26732445120.

The previous prime is 31317803707. The next prime is 31317803719. The reversal of 31317803713 is 31730871313.

It is an interprime number because it is at equal distance from previous prime (31317803707) and next prime (31317803719).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31317803713 - 2⁵ = 31317803681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31317803719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9280413 + ... + 9283786.

It is an arithmetic number, because the mean of its divisors is an integer number (4492536400).

Almost surely, 2^31317803713 is an apocalyptic number.

It is an amenable number.

31317803713 is a deficient number, since it is larger than the sum of its proper divisors (4622487487).

31317803713 is a wasteful number, since it uses less digits than its factorization.

31317803713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18564447.

The product of its (nonzero) digits is 31752, while the sum is 37.

The spelling of 31317803713 in words is "thirty-one billion, three hundred seventeen million, eight hundred three thousand, seven hundred thirteen".