13131232330 has 16 divisors (see below), whose sum is σ = 23642657640. Its totient is φ = 5251061952.

The previous prime is 13131232249. The next prime is 13131232333. The reversal of 13131232330 is 3323213131.

13131232330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 10221816609 + 2909415721 = 101103^2 + 53939^2 .

It is not an unprimeable number, because it can be changed into a prime (13131232333) 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 7 ways as a sum of consecutive naturals, for example, 139929 + ... + 214108.

Almost surely, 2^13131232330 is an apocalyptic number.

13131232330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13131232330 is a deficient number, since it is larger than the sum of its proper divisors (10511425310).

13131232330 is a wasteful number, since it uses less digits than its factorization.

13131232330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357753.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 13131232330 its reverse (3323213131), we get a palindrome (16454445461).

The spelling of 13131232330 in words is "thirteen billion, one hundred thirty-one million, two hundred thirty-two thousand, three hundred thirty".