131423440024535 has 16 divisors (see below), whose sum is σ = 157750431845760. Its totient is φ = 105110552766240.

The previous prime is 131423440024531. The next prime is 131423440024559. The reversal of 131423440024535 is 535420044324131.

It is not a de Polignac number, because 131423440024535 - 2² = 131423440024531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131423440024492 and 131423440024501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131423440024531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 333694880 + ... + 334088490.

It is an arithmetic number, because the mean of its divisors is an integer number (9859401990360).

Almost surely, 2^{131423440024535} is an apocalyptic number.

131423440024535 is a deficient number, since it is larger than the sum of its proper divisors (26326991821225).

131423440024535 is a wasteful number, since it uses less digits than its factorization.

131423440024535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411358.

The product of its (nonzero) digits is 691200, while the sum is 41.

Adding to 131423440024535 its reverse (535420044324131), we get a palindrome (666843484348666).

The spelling of 131423440024535 in words is "one hundred thirty-one trillion, four hundred twenty-three billion, four hundred forty million, twenty-four thousand, five hundred thirty-five".