131530123142 has 8 divisors (see below), whose sum is σ = 215231110632. Its totient is φ = 59786419600.

The previous prime is 131530123111. The next prime is 131530123163. The reversal of 131530123142 is 241321035131.

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 pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2989320959 + ... + 2989321002.

It is an arithmetic number, because the mean of its divisors is an integer number (26903888829).

Almost surely, 2^131530123142 is an apocalyptic number.

131530123142 is a deficient number, since it is larger than the sum of its proper divisors (83700987490).

131530123142 is a wasteful number, since it uses less digits than its factorization.

131530123142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5978641974.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 131530123142 its reverse (241321035131), we get a palindrome (372851158273).

The spelling of 131530123142 in words is "one hundred thirty-one billion, five hundred thirty million, one hundred twenty-three thousand, one hundred forty-two".