213323133030 has 128 divisors (see below), whose sum is σ = 619804431360. Its totient is φ = 45871288320.

The previous prime is 213323133019. The next prime is 213323133031. The reversal of 213323133030 is 30331323312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213323133031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9023866 + ... + 9047474.

It is an arithmetic number, because the mean of its divisors is an integer number (4842222120).

Almost surely, 2^213323133030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213323133030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309902215680).

213323133030 is an abundant number, since it is smaller than the sum of its proper divisors (406481298330).

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

213323133030 is a wasteful number, since it uses less digits than its factorization.

213323133030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26174.

The product of its (nonzero) digits is 2916, while the sum is 24.

Adding to 213323133030 its reverse (30331323312), we get a palindrome (243654456342).

The spelling of 213323133030 in words is "two hundred thirteen billion, three hundred twenty-three million, one hundred thirty-three thousand, thirty".