13021230330 has 112 divisors (see below), whose sum is σ = 35959350240. Its totient is φ = 3391494624.

The previous prime is 13021230329. The next prime is 13021230331. The reversal of 13021230330 is 3303212031.

13021230330 is a `hidden beast` number, since 1 + 302 + 1 + 2 + 30 + 330 = 666.

It is an interprime number because it is at equal distance from previous prime (13021230329) and next prime (13021230331).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (13021230331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 292701 + ... + 334239.

Almost surely, 2^13021230330 is an apocalyptic number.

13021230330 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 13021230330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17979675120).

13021230330 is an abundant number, since it is smaller than the sum of its proper divisors (22938119910).

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

13021230330 is an equidigital number, since it uses as much as digits as its factorization.

13021230330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41607 (or 41592 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 13021230330 its reverse (3303212031), we get a palindrome (16324442361).

The spelling of 13021230330 in words is "thirteen billion, twenty-one million, two hundred thirty thousand, three hundred thirty".