10243321530 has 96 divisors (see below), whose sum is σ = 26689305600. Its totient is φ = 2514919680.

The previous prime is 10243321513. The next prime is 10243321531. The reversal of 10243321530 is 3512334201.

10243321530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 10243321530.

It is not an unprimeable number, because it can be changed into a prime (10243321531) 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 47 ways as a sum of consecutive naturals, for example, 2132071 + ... + 2136869.

It is an arithmetic number, because the mean of its divisors is an integer number (278013600).

Almost surely, 2^10243321530 is an apocalyptic number.

10243321530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10243321530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13344652800).

10243321530 is an abundant number, since it is smaller than the sum of its proper divisors (16445984070).

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

10243321530 is a wasteful number, since it uses less digits than its factorization.

10243321530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5256 (or 5243 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 10243321530 its reverse (3512334201), we get a palindrome (13755655731).

The spelling of 10243321530 in words is "ten billion, two hundred forty-three million, three hundred twenty-one thousand, five hundred thirty".