323130330 has 64 divisors (see below), whose sum is σ = 864950400. Its totient is φ = 85841280.

The previous prime is 323130319. The next prime is 323130331. The reversal of 323130330 is 33031323.

323130330 is a `hidden beast` number, since 323 + 13 + 0 + 330 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (323130331) 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, 73741 + ... + 77999.

It is an arithmetic number, because the mean of its divisors is an integer number (13514850).

Almost surely, 2^323130330 is an apocalyptic number.

323130330 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 323130330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (432475200).

323130330 is an abundant number, since it is smaller than the sum of its proper divisors (541820070).

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

323130330 is a wasteful number, since it uses less digits than its factorization.

323130330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4556 (or 4550 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 18.

The square root of 323130330 is about 17975.8262675183. The cubic root of 323130330 is about 686.2134741227.

Adding to 323130330 its reverse (33031323), we get a palindrome (356161653).

The spelling of 323130330 in words is "three hundred twenty-three million, one hundred thirty thousand, three hundred thirty".