213331323030 has 320 divisors, whose sum is σ = 635605608960. Its totient is φ = 45690365952.

The previous prime is 213331322969. The next prime is 213331323031. The reversal of 213331323030 is 30323133312.

213331323030 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213331323031) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 132750487 + ... + 132752093.

It is an arithmetic number, because the mean of its divisors is an integer number (1986267528).

Almost surely, 2^213331323030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213331323030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (317802804480).

213331323030 is an abundant number, since it is smaller than the sum of its proper divisors (422274285930).

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

213331323030 is a wasteful number, since it uses less digits than its factorization.

213331323030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1761 (or 1740 counting only the distinct ones).

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

Adding to 213331323030 its reverse (30323133312), we get a palindrome (243654456342).

The spelling of 213331323030 in words is "two hundred thirteen billion, three hundred thirty-one million, three hundred twenty-three thousand, thirty".