317545332056 has 32 divisors (see below), whose sum is σ = 604366014000. Its totient is φ = 156381705216.

The previous prime is 317545332029. The next prime is 317545332113. The reversal of 317545332056 is 650233545713.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 317545331998 and 317545332016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4363940 + ... + 4436108.

Almost surely, 2^317545332056 is an apocalyptic number.

It is an amenable number.

317545332056 is a deficient number, since it is larger than the sum of its proper divisors (286820681944).

317545332056 is a wasteful number, since it uses less digits than its factorization.

317545332056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80451 (or 80447 counting only the distinct ones).

The product of its (nonzero) digits is 1134000, while the sum is 44.

Adding to 317545332056 its reverse (650233545713), we get a palindrome (967778877769).

The spelling of 317545332056 in words is "three hundred seventeen billion, five hundred forty-five million, three hundred thirty-two thousand, fifty-six".