13031231010220 has 24 divisors (see below), whose sum is σ = 27947831615424. Its totient is φ = 5101588310016.

The previous prime is 13031231010191. The next prime is 13031231010263. The reversal of 13031231010220 is 2201013213031.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6931504917 + ... + 6931506796.

It is an arithmetic number, because the mean of its divisors is an integer number (1164492983976).

Almost surely, 2^{13031231010220} is an apocalyptic number.

13031231010220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13031231010220 is an abundant number, since it is smaller than the sum of its proper divisors (14916600605204).

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

13031231010220 is a wasteful number, since it uses less digits than its factorization.

13031231010220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13863011769 (or 13863011767 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 13031231010220 its reverse (2201013213031), we get a palindrome (15232244223251).

The spelling of 13031231010220 in words is "thirteen trillion, thirty-one billion, two hundred thirty-one million, ten thousand, two hundred twenty".