2321530530 has 64 divisors (see below), whose sum is σ = 6342478848. Its totient is φ = 538324160.

The previous prime is 2321530499. The next prime is 2321530531. The reversal of 2321530530 is 350351232.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2321530530.

It is not an unprimeable number, because it can be changed into a prime (2321530531) 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, 145344 + ... + 160523.

It is an arithmetic number, because the mean of its divisors is an integer number (99101232).

Almost surely, 2^2321530530 is an apocalyptic number.

2321530530 is an abundant number, since it is smaller than the sum of its proper divisors (4020948318).

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

2321530530 is a wasteful number, since it uses less digits than its factorization.

2321530530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305911.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 2321530530 is about 48182.2636454536. The cubic root of 2321530530 is about 1324.1122388367.

Adding to 2321530530 its reverse (350351232), we get a palindrome (2671881762).

The spelling of 2321530530 in words is "two billion, three hundred twenty-one million, five hundred thirty thousand, five hundred thirty".