131312134143 has 12 divisors (see below), whose sum is σ = 189680947560. Its totient is φ = 87537792816.

The previous prime is 131312134117. The next prime is 131312134153. The reversal of 131312134143 is 341431213131.

131312134143 is a `hidden beast` number, since 1 + 3 + 1 + 31 + 213 + 414 + 3 = 666.

It is not a de Polignac number, because 131312134143 - 2¹⁴ = 131312117759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131312134153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63448 + ... + 516381.

It is an arithmetic number, because the mean of its divisors is an integer number (15806745630).

Almost surely, 2^131312134143 is an apocalyptic number.

131312134143 is a deficient number, since it is larger than the sum of its proper divisors (58368813417).

131312134143 is a wasteful number, since it uses less digits than its factorization.

131312134143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604998 (or 604995 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

Adding to 131312134143 its reverse (341431213131), we get a palindrome (472743347274).

The spelling of 131312134143 in words is "one hundred thirty-one billion, three hundred twelve million, one hundred thirty-four thousand, one hundred forty-three".