13020312330 has 64 divisors (see below), whose sum is σ = 34744446720. Its totient is φ = 3469722048.

The previous prime is 13020312329. The next prime is 13020312337. The reversal of 13020312330 is 3321302031.

13020312330 is a `hidden beast` number, since 1 + 3 + 0 + 20 + 312 + 330 = 666.

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 (13020312337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 400984 + ... + 432236.

It is an arithmetic number, because the mean of its divisors is an integer number (542881980).

Almost surely, 2^13020312330 is an apocalyptic number.

13020312330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13020312330 is an abundant number, since it is smaller than the sum of its proper divisors (21724134390).

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

13020312330 is a wasteful number, since it uses less digits than its factorization.

13020312330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32812 (or 32806 counting only the distinct ones).

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

Adding to 13020312330 its reverse (3321302031), we get a palindrome (16341614361).

The spelling of 13020312330 in words is "thirteen billion, twenty million, three hundred twelve thousand, three hundred thirty".