213276330 has 96 divisors (see below), whose sum is σ = 587658240. Its totient is φ = 53516160.

The previous prime is 213276281. The next prime is 213276331. The reversal of 213276330 is 33672312.

213276330 is a `hidden beast` number, since 2 + 1 + 3 + 27 + 633 + 0 = 666.

213276330 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 213276294 and 213276303.

It is not an unprimeable number, because it can be changed into a prime (213276331) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 326284 + ... + 326936.

It is an arithmetic number, because the mean of its divisors is an integer number (6121440).

Almost surely, 2^213276330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213276330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293829120).

213276330 is an abundant number, since it is smaller than the sum of its proper divisors (374381910).

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

213276330 is a wasteful number, since it uses less digits than its factorization.

213276330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876 (or 873 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

The square root of 213276330 is about 14603.9833607136. The cubic root of 213276330 is about 597.4674083400.

The spelling of 213276330 in words is "two hundred thirteen million, two hundred seventy-six thousand, three hundred thirty".