13231346131540 has 24 divisors (see below), whose sum is σ = 28055592190080. Its totient is φ = 5241154583328.

The previous prime is 13231346131511. The next prime is 13231346131547. The reversal of 13231346131540 is 4513164313231.

It is a self number, because there is not a number n which added to its sum of digits gives 13231346131540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13231346131547) by changing a digit.

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, 3211489720 + ... + 3211493839.

It is an arithmetic number, because the mean of its divisors is an integer number (1168983007920).

Almost surely, 2^{13231346131540} is an apocalyptic number.

13231346131540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13231346131540 is an abundant number, since it is smaller than the sum of its proper divisors (14824246058540).

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

13231346131540 is a wasteful number, since it uses less digits than its factorization.

13231346131540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6422983671 (or 6422983669 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 13231346131540 in words is "thirteen trillion, two hundred thirty-one billion, three hundred forty-six million, one hundred thirty-one thousand, five hundred forty".