131113120032240 has 80 divisors (see below), whose sum is σ = 406454361151776. Its totient is φ = 34963181337600.

The previous prime is 131113120032199. The next prime is 131113120032253. The reversal of 131113120032240 is 42230021311131.

It is a tau number, because it is divible by the number of its divisors (80).

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 131113120032240.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24635010 + ... + 29480670.

Almost surely, 2^{131113120032240} is an apocalyptic number.

131113120032240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131113120032240 is an abundant number, since it is smaller than the sum of its proper divisors (275341241119536).

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

131113120032240 is a wasteful number, since it uses less digits than its factorization.

131113120032240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4958418 (or 4958412 counting only the distinct ones).

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

Adding to 131113120032240 its reverse (42230021311131), we get a palindrome (173343141343371).

The spelling of 131113120032240 in words is "one hundred thirty-one trillion, one hundred thirteen billion, one hundred twenty million, thirty-two thousand, two hundred forty".