317173706447 has 24 divisors (see below), whose sum is σ = 348068968800. Its totient is φ = 287308382400.

The previous prime is 317173706383. The next prime is 317173706453. The reversal of 317173706447 is 744607371713.

It is not a de Polignac number, because 317173706447 - 2⁶ = 317173706383 is a prime.

It is a super-2 number, since 2×317173706447² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 317173706395 and 317173706404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317173706147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27100697 + ... + 27112397.

It is an arithmetic number, because the mean of its divisors is an integer number (14502873700).

Almost surely, 2^317173706447 is an apocalyptic number.

317173706447 is a deficient number, since it is larger than the sum of its proper divisors (30895262353).

317173706447 is a wasteful number, since it uses less digits than its factorization.

317173706447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12431 (or 12372 counting only the distinct ones).

The product of its (nonzero) digits is 2074464, while the sum is 50.

The spelling of 317173706447 in words is "three hundred seventeen billion, one hundred seventy-three million, seven hundred six thousand, four hundred forty-seven".