131012224204240 has 40 divisors (see below), whose sum is σ = 307450182241440. Its totient is φ = 51915124354176.

The previous prime is 131012224204237. The next prime is 131012224204297. The reversal of 131012224204240 is 42402422210131.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 131012224204199 and 131012224204208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7652574630 + ... + 7652591749.

It is an arithmetic number, because the mean of its divisors is an integer number (7686254556036).

Almost surely, 2^{131012224204240} is an apocalyptic number.

131012224204240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131012224204240 is an abundant number, since it is smaller than the sum of its proper divisors (176437958037200).

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

131012224204240 is a wasteful number, since it uses less digits than its factorization.

131012224204240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15305166499 (or 15305166493 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 131012224204240 its reverse (42402422210131), we get a palindrome (173414646414371).

The spelling of 131012224204240 in words is "one hundred thirty-one trillion, twelve billion, two hundred twenty-four million, two hundred four thousand, two hundred forty".