317123665112 has 16 divisors (see below), whose sum is σ = 594696561360. Its totient is φ = 158537915424.

The previous prime is 317123665093. The next prime is 317123665121. The reversal of 317123665112 is 211566321713.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2933228 + ... + 3039419.

It is an arithmetic number, because the mean of its divisors is an integer number (37168535085).

Almost surely, 2^317123665112 is an apocalyptic number.

It is an amenable number.

317123665112 is a deficient number, since it is larger than the sum of its proper divisors (277572896248).

317123665112 is a wasteful number, since it uses less digits than its factorization.

317123665112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5979290 (or 5979286 counting only the distinct ones).

The product of its digits is 45360, while the sum is 38.

Adding to 317123665112 its reverse (211566321713), we get a palindrome (528689986825).

The spelling of 317123665112 in words is "three hundred seventeen billion, one hundred twenty-three million, six hundred sixty-five thousand, one hundred twelve".