3213132330 has 96 divisors (see below), whose sum is σ = 8107646400. Its totient is φ = 814709760.

The previous prime is 3213132289. The next prime is 3213132337. The reversal of 3213132330 is 332313123.

It is a junction number, because it is equal to n+sod(n) for n = 3213132297 and 3213132306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3213132337) 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, 1700026 + ... + 1701914.

It is an arithmetic number, because the mean of its divisors is an integer number (84454650).

Almost surely, 2^3213132330 is an apocalyptic number.

3213132330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3213132330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4053823200).

3213132330 is an abundant number, since it is smaller than the sum of its proper divisors (4894514070).

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

3213132330 is a wasteful number, since it uses less digits than its factorization.

3213132330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020 (or 1989 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

The square root of 3213132330 is about 56684.4981454366. The cubic root of 3213132330 is about 1475.6256780599.

Adding to 3213132330 its reverse (332313123), we get a palindrome (3545445453).

The spelling of 3213132330 in words is "three billion, two hundred thirteen million, one hundred thirty-two thousand, three hundred thirty".