315655230 has 64 divisors (see below), whose sum is σ = 829813248. Its totient is φ = 76210560.

The previous prime is 315655211. The next prime is 315655231. The reversal of 315655230 is 32556513.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315655231) 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, 84972 + ... + 88608.

It is an arithmetic number, because the mean of its divisors is an integer number (12965832).

Almost surely, 2^315655230 is an apocalyptic number.

315655230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 315655230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (414906624).

315655230 is an abundant number, since it is smaller than the sum of its proper divisors (514158018).

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

315655230 is a wasteful number, since it uses less digits than its factorization.

315655230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3921.

The product of its (nonzero) digits is 13500, while the sum is 30.

The square root of 315655230 is about 17766.6887742201. The cubic root of 315655230 is about 680.8806568496.

The spelling of 315655230 in words is "three hundred fifteen million, six hundred fifty-five thousand, two hundred thirty".