131233440000320 has 112 divisors (see below), whose sum is σ = 358015644526080. Its totient is φ = 44884311404544.

The previous prime is 131233440000319. The next prime is 131233440000353. The reversal of 131233440000320 is 23000044332131.

It is a tau number, because it is divible by the number of its divisors (112).

It is a self number, because there is not a number n which added to its sum of digits gives 131233440000320.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70705304 + ... + 72537623.

Almost surely, 2^{131233440000320} is an apocalyptic number.

131233440000320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131233440000320 is an abundant number, since it is smaller than the sum of its proper divisors (226782204525760).

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

131233440000320 is a wasteful number, since it uses less digits than its factorization.

131233440000320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143243360 (or 143243350 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 131233440000320 its reverse (23000044332131), we get a palindrome (154233484332451).

The spelling of 131233440000320 in words is "one hundred thirty-one trillion, two hundred thirty-three billion, four hundred forty million, three hundred twenty", and thus it is an aban number.