131231010444423 has 16 divisors (see below), whose sum is σ = 185024367209472. Its totient is φ = 82600163928000.

The previous prime is 131231010444403. The next prime is 131231010444437. The reversal of 131231010444423 is 324444010132131.

It is a happy number.

It is not a de Polignac number, because 131231010444423 - 2³⁷ = 131093571490951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131231010444403) 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, 17208363673 + ... + 17208371298.

It is an arithmetic number, because the mean of its divisors is an integer number (11564022950592).

Almost surely, 2^{131231010444423} is an apocalyptic number.

131231010444423 is a deficient number, since it is larger than the sum of its proper divisors (53793356765049).

131231010444423 is a wasteful number, since it uses less digits than its factorization.

131231010444423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34416735046.

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 131231010444423 its reverse (324444010132131), we get a palindrome (455675020576554).

The spelling of 131231010444423 in words is "one hundred thirty-one trillion, two hundred thirty-one billion, ten million, four hundred forty-four thousand, four hundred twenty-three".