13131023110432 has 96 divisors (see below), whose sum is σ = 26641681980480. Its totient is φ = 6366841159680.

The previous prime is 13131023110423. The next prime is 13131023110433. The reversal of 13131023110432 is 23401132013131.

It is a junction number, because it is equal to n+sod(n) for n = 13131023110397 and 13131023110406.

It is not an unprimeable number, because it can be changed into a prime (13131023110433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 608950083 + ... + 608971645.

It is an arithmetic number, because the mean of its divisors is an integer number (277517520630).

Almost surely, 2^{13131023110432} 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 13131023110432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13320840990240).

13131023110432 is an abundant number, since it is smaller than the sum of its proper divisors (13510658870048).

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

13131023110432 is a wasteful number, since it uses less digits than its factorization.

13131023110432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24386 (or 24378 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 13131023110432 its reverse (23401132013131), we get a palindrome (36532155123563).

The spelling of 13131023110432 in words is "thirteen trillion, one hundred thirty-one billion, twenty-three million, one hundred ten thousand, four hundred thirty-two".