313312230 has 192 divisors, whose sum is σ = 1051315200. Its totient is φ = 62818560.

The previous prime is 313312217. The next prime is 313312247. The reversal of 313312230 is 32213313.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 200191 + ... + 201749.

It is an arithmetic number, because the mean of its divisors is an integer number (5475600).

Almost surely, 2^313312230 is an apocalyptic number.

313312230 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 313312230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (525657600).

313312230 is an abundant number, since it is smaller than the sum of its proper divisors (738002970).

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

313312230 is a wasteful number, since it uses less digits than its factorization.

313312230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1619 (or 1616 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 313312230 is about 17700.6279549625. The cubic root of 313312230 is about 679.1918238932.

Adding to 313312230 its reverse (32213313), we get a palindrome (345525543).

The spelling of 313312230 in words is "three hundred thirteen million, three hundred twelve thousand, two hundred thirty".