13131120302032 has 160 divisors (see below), whose sum is σ = 27885195233280. Its totient is φ = 5963246714880.

The previous prime is 13131120302021. The next prime is 13131120302159. The reversal of 13131120302032 is 23020302113131.

It is a junction number, because it is equal to n+sod(n) for n = 13131120301994 and 13131120302012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6471719194 + ... + 6471721222.

It is an arithmetic number, because the mean of its divisors is an integer number (174282470208).

Almost surely, 2^{13131120302032} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13131120302032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13942597616640).

13131120302032 is an abundant number, since it is smaller than the sum of its proper divisors (14754074931248).

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

13131120302032 is a wasteful number, since it uses less digits than its factorization.

13131120302032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3861 (or 3855 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 13131120302032 its reverse (23020302113131), we get a palindrome (36151422415163).

The spelling of 13131120302032 in words is "thirteen trillion, one hundred thirty-one billion, one hundred twenty million, three hundred two thousand, thirty-two".