2133312330 has 64 divisors (see below), whose sum is σ = 5487015168. Its totient is φ = 529436160.

The previous prime is 2133312323. The next prime is 2133312331. The reversal of 2133312330 is 332133312.

It is a junction number, because it is equal to n+sod(n) for n = 2133312297 and 2133312306.

It is not an unprimeable number, because it can be changed into a prime (2133312331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16251 + ... + 67310.

It is an arithmetic number, because the mean of its divisors is an integer number (85734612).

Almost surely, 2^2133312330 is an apocalyptic number.

2133312330 is an abundant number, since it is smaller than the sum of its proper divisors (3353702838).

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

2133312330 is a wasteful number, since it uses less digits than its factorization.

2133312330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83631.

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

The square root of 2133312330 is about 46187.7941668575. The cubic root of 2133312330 is about 1287.3149547738.

Adding to 2133312330 its reverse (332133312), we get a palindrome (2465445642).

The spelling of 2133312330 in words is "two billion, one hundred thirty-three million, three hundred twelve thousand, three hundred thirty".