312430230 has 128 divisors (see below), whose sum is σ = 970444800. Its totient is φ = 70042752.

The previous prime is 312430219. The next prime is 312430247. The reversal of 312430230 is 32034213.

312430230 is a `hidden beast` number, since 3 + 1 + 2 + 430 + 230 = 666.

It is a super-2 number, since 2×312430230² = 195225297235705800, which contains 22 as substring.

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 63 ways as a sum of consecutive naturals, for example, 98611 + ... + 101729.

It is an arithmetic number, because the mean of its divisors is an integer number (7581600).

Almost surely, 2^312430230 is an apocalyptic number.

312430230 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 312430230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (485222400).

312430230 is an abundant number, since it is smaller than the sum of its proper divisors (658014570).

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

312430230 is a wasteful number, since it uses less digits than its factorization.

312430230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3195 (or 3189 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 312430230 is about 17675.6960258995. The cubic root of 312430230 is about 678.5538977452.

Adding to 312430230 its reverse (32034213), we get a palindrome (344464443).

The spelling of 312430230 in words is "three hundred twelve million, four hundred thirty thousand, two hundred thirty".