213330030 has 32 divisors (see below), whose sum is σ = 515264544. Its totient is φ = 56524416.

The previous prime is 213330023. The next prime is 213330031. The reversal of 213330030 is 30033312.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 213329991 and 213330009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213330031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17937 + ... + 27356.

It is an arithmetic number, because the mean of its divisors is an integer number (16102017).

Almost surely, 2^213330030 is an apocalyptic number.

213330030 is an abundant number, since it is smaller than the sum of its proper divisors (301934514).

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

213330030 is a wasteful number, since it uses less digits than its factorization.

213330030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45460.

The product of its (nonzero) digits is 162, while the sum is 15.

The square root of 213330030 is about 14605.8217844803. The cubic root of 213330030 is about 597.5175487805.

Adding to 213330030 its reverse (30033312), we get a palindrome (243363342).

The spelling of 213330030 in words is "two hundred thirteen million, three hundred thirty thousand, thirty".