317105445 has 32 divisors (see below), whose sum is σ = 513370368. Its totient is φ = 167136768.

The previous prime is 317105443. The next prime is 317105449. The reversal of 317105445 is 544501713.

It is not a de Polignac number, because 317105445 - 2¹ = 317105443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317105443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 693657 + ... + 694113.

It is an arithmetic number, because the mean of its divisors is an integer number (16042824).

Almost surely, 2^317105445 is an apocalyptic number.

It is an amenable number.

317105445 is a deficient number, since it is larger than the sum of its proper divisors (196264923).

317105445 is a wasteful number, since it uses less digits than its factorization.

317105445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 317105445 is about 17807.4547591732. The cubic root of 317105445 is about 681.9217875124.

The spelling of 317105445 in words is "three hundred seventeen million, one hundred five thousand, four hundred forty-five".