13231031330 has 64 divisors (see below), whose sum is σ = 27373852800. Its totient is φ = 4553809920.

The previous prime is 13231031287. The next prime is 13231031339. The reversal of 13231031330 is 3313013231.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13231031339) 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, 2942564 + ... + 2947056.

It is an arithmetic number, because the mean of its divisors is an integer number (427716450).

Almost surely, 2^13231031330 is an apocalyptic number.

13231031330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13231031330 is an abundant number, since it is smaller than the sum of its proper divisors (14142821470).

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

13231031330 is a wasteful number, since it uses less digits than its factorization.

13231031330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5939.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 13231031330 its reverse (3313013231), we get a palindrome (16544044561).

The spelling of 13231031330 in words is "thirteen billion, two hundred thirty-one million, thirty-one thousand, three hundred thirty".