13311013031020 has 24 divisors (see below), whose sum is σ = 27955062846144. Its totient is φ = 5324036549376.

The previous prime is 13311013031003. The next prime is 13311013031077. The reversal of 13311013031020 is 2013031011331.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22745277 + ... + 23323156.

It is an arithmetic number, because the mean of its divisors is an integer number (1164794285256).

Almost surely, 2^{13311013031020} is an apocalyptic number.

13311013031020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13311013031020 is an abundant number, since it is smaller than the sum of its proper divisors (14644049815124).

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

13311013031020 is a wasteful number, since it uses less digits than its factorization.

13311013031020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46082889 (or 46082887 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 13311013031020 its reverse (2013031011331), we get a palindrome (15324044042351).

The spelling of 13311013031020 in words is "thirteen trillion, three hundred eleven billion, thirteen million, thirty-one thousand, twenty".