317000220 has 48 divisors (see below), whose sum is σ = 888547968. Its totient is φ = 84443200.

The previous prime is 317000213. The next prime is 317000227. The reversal of 317000220 is 22000713.

It is an interprime number because it is at equal distance from previous prime (317000213) and next prime (317000227).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 317000220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317000227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68995 + ... + 73445.

It is an arithmetic number, because the mean of its divisors is an integer number (18511416).

Almost surely, 2^317000220 is an apocalyptic number.

317000220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a pronic number, being equal to 17804×17805.

It is an amenable number.

317000220 is an abundant number, since it is smaller than the sum of its proper divisors (571547748).

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

317000220 is a wasteful number, since it uses less digits than its factorization.

317000220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5650 (or 5648 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 317000220 is about 17804.4999929793. The cubic root of 317000220 is about 681.8463518705.

Adding to 317000220 its reverse (22000713), we get a palindrome (339000933).

The spelling of 317000220 in words is "three hundred seventeen million, two hundred twenty", and thus it is an aban number.