13210331056 has 20 divisors (see below), whose sum is σ = 27563864272. Its totient is φ = 6097075776.

The previous prime is 13210331011. The next prime is 13210331059. The reversal of 13210331056 is 65013301231.

13210331056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 13210331056.

It is not an unprimeable number, because it can be changed into a prime (13210331059) 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 3 ways as a sum of consecutive naturals, for example, 31755396 + ... + 31755811.

Almost surely, 2^13210331056 is an apocalyptic number.

13210331056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13210331056 is an abundant number, since it is smaller than the sum of its proper divisors (14353533216).

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

13210331056 is a wasteful number, since it uses less digits than its factorization.

13210331056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63511228 (or 63511222 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 25.

Adding to 13210331056 its reverse (65013301231), we get a palindrome (78223632287).

The spelling of 13210331056 in words is "thirteen billion, two hundred ten million, three hundred thirty-one thousand, fifty-six".