31717287144316 has 48 divisors (see below), whose sum is σ = 56812336000000. Its totient is φ = 15489165954240.

The previous prime is 31717287144269. The next prime is 31717287144317. The reversal of 31717287144316 is 61344178271713.

It is a super-2 number, since 2×31717287144316² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31717287144317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23574925 + ... + 24883963.

Almost surely, 2^{31717287144316} is an apocalyptic number.

It is an amenable number.

31717287144316 is a deficient number, since it is larger than the sum of its proper divisors (25095048855684).

31717287144316 is a wasteful number, since it uses less digits than its factorization.

31717287144316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1309802 (or 1309800 counting only the distinct ones).

The product of its digits is 4741632, while the sum is 55.

The spelling of 31717287144316 in words is "thirty-one trillion, seven hundred seventeen billion, two hundred eighty-seven million, one hundred forty-four thousand, three hundred sixteen".