13031320000 has 70 divisors (see below), whose sum is σ = 32313537608. Its totient is φ = 5212512000.

The previous prime is 13031319989. The next prime is 13031320007. The reversal of 13031320000 is 2313031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13031320007) 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 9 ways as a sum of consecutive naturals, for example, 122892 + ... + 202891.

Almost surely, 2^13031320000 is an apocalyptic number.

13031320000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13031320000 is an abundant number, since it is smaller than the sum of its proper divisors (19282217608).

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

13031320000 is an frugal number, since it uses more digits than its factorization.

13031320000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325815 (or 325790 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

Adding to 13031320000 its reverse (2313031), we get a palindrome (13033633031).

The spelling of 13031320000 in words is "thirteen billion, thirty-one million, three hundred twenty thousand".