131224040432 has 20 divisors (see below), whose sum is σ = 260447715696. Its totient is φ = 64011726720.

The previous prime is 131224040393. The next prime is 131224040443. The reversal of 131224040432 is 234040422131.

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 3 ways as a sum of consecutive naturals, for example, 100017668 + ... + 100018979.

Almost surely, 2^131224040432 is an apocalyptic number.

It is an amenable number.

131224040432 is a deficient number, since it is larger than the sum of its proper divisors (129223675264).

131224040432 is a wasteful number, since it uses less digits than its factorization.

131224040432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200036696 (or 200036690 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 131224040432 its reverse (234040422131), we get a palindrome (365264462563).

The spelling of 131224040432 in words is "one hundred thirty-one billion, two hundred twenty-four million, forty thousand, four hundred thirty-two".