317430000 has 150 divisors (see below), whose sum is σ = 1110413304. Its totient is φ = 84624000.

The previous prime is 317429977. The next prime is 317430007. The reversal of 317430000 is 34713.

It is a tau number, because it is divible by the number of its divisors (150).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317430007) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 88237 + ... + 91763.

Almost surely, 2^317430000 is an apocalyptic number.

317430000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 317430000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (555206652).

317430000 is an abundant number, since it is smaller than the sum of its proper divisors (792983304).

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

317430000 is a wasteful number, since it uses less digits than its factorization.

317430000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3561 (or 3537 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 317430000 is about 17816.5653255615. The cubic root of 317430000 is about 682.1543554329.

Adding to 317430000 its reverse (34713), we get a palindrome (317464713).

The spelling of 317430000 in words is "three hundred seventeen million, four hundred thirty thousand".