131324231423 has 16 divisors (see below), whose sum is σ = 163852422144. Its totient is φ = 102253376160.

The previous prime is 131324231351. The next prime is 131324231431. The reversal of 131324231423 is 324132423131.

It is a cyclic number.

It is not a de Polignac number, because 131324231423 - 2¹⁰ = 131324230399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131324231443) 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, 540440 + ... + 744797.

It is an arithmetic number, because the mean of its divisors is an integer number (10240776384).

Almost surely, 2^131324231423 is an apocalyptic number.

131324231423 is a deficient number, since it is larger than the sum of its proper divisors (32528190721).

131324231423 is a wasteful number, since it uses less digits than its factorization.

131324231423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286582.

The product of its digits is 10368, while the sum is 29.

Adding to 131324231423 its reverse (324132423131), we get a palindrome (455456654554).

The spelling of 131324231423 in words is "one hundred thirty-one billion, three hundred twenty-four million, two hundred thirty-one thousand, four hundred twenty-three".