13131023110440 has 128 divisors (see below), whose sum is σ = 42523253510400. Its totient is φ = 3233867141120.

The previous prime is 13131023110433. The next prime is 13131023110451. The reversal of 13131023110440 is 4401132013131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 13131023110440.

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, 81947841 + ... + 82107920.

It is an arithmetic number, because the mean of its divisors is an integer number (332212918050).

Almost surely, 2^{13131023110440} is an apocalyptic number.

13131023110440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13131023110440 is an abundant number, since it is smaller than the sum of its proper divisors (29392230399960).

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

13131023110440 is a wasteful number, since it uses less digits than its factorization.

13131023110440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164055827 (or 164055823 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 13131023110440 its reverse (4401132013131), we get a palindrome (17532155123571).

The spelling of 13131023110440 in words is "thirteen trillion, one hundred thirty-one billion, twenty-three million, one hundred ten thousand, four hundred forty".