317250000 has 280 divisors, whose sum is σ = 1162485120. Its totient is φ = 82800000.

The previous prime is 317249993. The next prime is 317250061. The reversal of 317250000 is 52713.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 6749977 + ... + 6750023.

Almost surely, 2^317250000 is an apocalyptic number.

317250000 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 317250000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (581242560).

317250000 is an abundant number, since it is smaller than the sum of its proper divisors (845235120).

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

317250000 is an frugal number, since it uses more digits than its factorization.

317250000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 57 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 317250000 is about 17811.5131305569. The cubic root of 317250000 is about 682.0253915665.

The spelling of 317250000 in words is "three hundred seventeen million, two hundred fifty thousand".