131330123142 has 16 divisors (see below), whose sum is σ = 274080257280. Its totient is φ = 41873372552.

The previous prime is 131330123123. The next prime is 131330123143. The reversal of 131330123142 is 241321033131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131330123143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 475833642 + ... + 475833917.

It is an arithmetic number, because the mean of its divisors is an integer number (17130016080).

Almost surely, 2^131330123142 is an apocalyptic number.

131330123142 is an abundant number, since it is smaller than the sum of its proper divisors (142750134138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131330123142 is a wasteful number, since it uses less digits than its factorization.

131330123142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951667587.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 131330123142 its reverse (241321033131), we get a palindrome (372651156273).

The spelling of 131330123142 in words is "one hundred thirty-one billion, three hundred thirty million, one hundred twenty-three thousand, one hundred forty-two".