13031231010020 has 96 divisors (see below), whose sum is σ = 27658273063680. Its totient is φ = 5157074624000.

The previous prime is 13031231010019. The next prime is 13031231010023. The reversal of 13031231010020 is 2001013213031.

13031231010020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13031231010023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1062120446 + ... + 1062132714.

It is an arithmetic number, because the mean of its divisors is an integer number (288107011080).

Almost surely, 2^{13031231010020} is an apocalyptic number.

13031231010020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13031231010020 is an abundant number, since it is smaller than the sum of its proper divisors (14627042053660).

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

13031231010020 is a wasteful number, since it uses less digits than its factorization.

13031231010020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13925 (or 13923 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 13031231010020 its reverse (2001013213031), we get a palindrome (15032244223051).

The spelling of 13031231010020 in words is "thirteen trillion, thirty-one billion, two hundred thirty-one million, ten thousand, twenty".