131422413243242 has 32 divisors (see below), whose sum is σ = 215211695948928. Its totient is φ = 59693899840000.

The previous prime is 131422413243241. The next prime is 131422413243263. The reversal of 131422413243242 is 242342314224131.

It is a junction number, because it is equal to n+sod(n) for n = 131422413243196 and 131422413243205.

It is not an unprimeable number, because it can be changed into a prime (131422413243241) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 523801742 + ... + 524052582.

It is an arithmetic number, because the mean of its divisors is an integer number (6725365498404).

Almost surely, 2^{131422413243242} is an apocalyptic number.

131422413243242 is a deficient number, since it is larger than the sum of its proper divisors (83789282705686).

131422413243242 is a wasteful number, since it uses less digits than its factorization.

131422413243242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268126.

The product of its digits is 221184, while the sum is 38.

Adding to 131422413243242 its reverse (242342314224131), we get a palindrome (373764727467373).

The spelling of 131422413243242 in words is "one hundred thirty-one trillion, four hundred twenty-two billion, four hundred thirteen million, two hundred forty-three thousand, two hundred forty-two".