317194240 has 120 divisors (see below), whose sum is σ = 836762850. Its totient is φ = 115343360.

The previous prime is 317194223. The next prime is 317194249. The reversal of 317194240 is 42491713.

317194240 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 285474816 + 31719424 = 16896^2 + 5632^2 .

It is a super-2 number, since 2×317194240² = 201224371778355200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (317194249) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28835835 + ... + 28835845.

Almost surely, 2^317194240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 317194240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (418381425).

317194240 is an abundant number, since it is smaller than the sum of its proper divisors (519568610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

317194240 is an frugal number, since it uses more digits than its factorization.

317194240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65 (or 18 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 317194240 is about 17809.9477820683. The cubic root of 317194240 is about 681.9854315306.

The spelling of 317194240 in words is "three hundred seventeen million, one hundred ninety-four thousand, two hundred forty".