131043340423 has 12 divisors (see below), whose sum is σ = 139646149968. Its totient is φ = 122940983520.

The previous prime is 131043340403. The next prime is 131043340471. The reversal of 131043340423 is 324043340131.

It is not a de Polignac number, because 131043340423 - 2⁵ = 131043340391 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131043340391 and 131043340400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131043340403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1724958 + ... + 1799323.

It is an arithmetic number, because the mean of its divisors is an integer number (11637179164).

Almost surely, 2^131043340423 is an apocalyptic number.

131043340423 is a deficient number, since it is larger than the sum of its proper divisors (8602809545).

131043340423 is a wasteful number, since it uses less digits than its factorization.

131043340423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3524422 (or 3524403 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 131043340423 its reverse (324043340131), we get a palindrome (455086680554).

The spelling of 131043340423 in words is "one hundred thirty-one billion, forty-three million, three hundred forty thousand, four hundred twenty-three".