131142131210442 has 72 divisors (see below), whose sum is σ = 295156404137952. Its totient is φ = 38815852392240.

The previous prime is 131142131210437. The next prime is 131142131210557. The reversal of 131142131210442 is 244012131241131.

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 35 ways as a sum of consecutive naturals, for example, 47504718 + ... + 50189465.

It is an arithmetic number, because the mean of its divisors is an integer number (4099394501916).

Almost surely, 2^{131142131210442} is an apocalyptic number.

131142131210442 is an abundant number, since it is smaller than the sum of its proper divisors (164014272927510).

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

131142131210442 is a wasteful number, since it uses less digits than its factorization.

131142131210442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97694296 (or 97694242 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

Adding to 131142131210442 its reverse (244012131241131), we get a palindrome (375154262451573).

The spelling of 131142131210442 in words is "one hundred thirty-one trillion, one hundred forty-two billion, one hundred thirty-one million, two hundred ten thousand, four hundred forty-two".