213030324 has 144 divisors (see below), whose sum is σ = 628397952. Its totient is φ = 62612352.

The previous prime is 213030313. The next prime is 213030331. The reversal of 213030324 is 423030312.

213030324 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 213030297 and 213030306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 290262 + ... + 290994.

Almost surely, 2^213030324 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213030324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314198976).

213030324 is an abundant number, since it is smaller than the sum of its proper divisors (415367628).

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

213030324 is a wasteful number, since it uses less digits than its factorization.

213030324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788 (or 774 counting only the distinct ones).

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

The square root of 213030324 is about 14595.5583654754. The cubic root of 213030324 is about 597.2376014417.

Adding to 213030324 its reverse (423030312), we get a palindrome (636060636).

The spelling of 213030324 in words is "two hundred thirteen million, thirty thousand, three hundred twenty-four".