131142203320242 has 8 divisors (see below), whose sum is σ = 262284406640496. Its totient is φ = 43714067773412.

The previous prime is 131142203320229. The next prime is 131142203320307. The reversal of 131142203320242 is 242023302241131.

It is a happy number.

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

131142203320242 is an admirable 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, 10928516943348 + ... + 10928516943359.

It is an arithmetic number, because the mean of its divisors is an integer number (32785550830062).

Almost surely, 2^{131142203320242} is an apocalyptic number.

131142203320242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

131142203320242 is a wasteful number, since it uses less digits than its factorization.

131142203320242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21857033886712.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 131142203320242 its reverse (242023302241131), we get a palindrome (373165505561373).

The spelling of 131142203320242 in words is "one hundred thirty-one trillion, one hundred forty-two billion, two hundred three million, three hundred twenty thousand, two hundred forty-two".