131443123142 has 8 divisors (see below), whose sum is σ = 197174628000. Its totient is φ = 65718247144.

The previous prime is 131443123111. The next prime is 131443123151. The reversal of 131443123142 is 241321344131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1607342 + ... + 1687137.

It is an arithmetic number, because the mean of its divisors is an integer number (24646828500).

Almost surely, 2^131443123142 is an apocalyptic number.

131443123142 is a deficient number, since it is larger than the sum of its proper divisors (65731504858).

131443123142 is a wasteful number, since it uses less digits than its factorization.

131443123142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3314430.

The product of its digits is 6912, while the sum is 29.

Adding to 131443123142 its reverse (241321344131), we get a palindrome (372764467273).

The spelling of 131443123142 in words is "one hundred thirty-one billion, four hundred forty-three million, one hundred twenty-three thousand, one hundred forty-two".