13021302330 has 48 divisors (see below), whose sum is σ = 34770405384. Its totient is φ = 3378499200.

The previous prime is 13021302323. The next prime is 13021302331. The reversal of 13021302330 is 3320312031.

13021302330 is a `hidden beast` number, since 1 + 30 + 2 + 1 + 302 + 330 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 11463342489 + 1557959841 = 107067^2 + 39471^2 .

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 (13021302331) 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 23 ways as a sum of consecutive naturals, for example, 1951821 + ... + 1958480.

Almost surely, 2^13021302330 is an apocalyptic number.

13021302330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13021302330 is an abundant number, since it is smaller than the sum of its proper divisors (21749103054).

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

13021302330 is a wasteful number, since it uses less digits than its factorization.

13021302330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3910351 (or 3910348 counting only the distinct ones).

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

Adding to 13021302330 its reverse (3320312031), we get a palindrome (16341614361).

The spelling of 13021302330 in words is "thirteen billion, twenty-one million, three hundred two thousand, three hundred thirty".