131312232333242 has 16 divisors (see below), whose sum is σ = 202201439916672. Its totient is φ = 63926228409600.

The previous prime is 131312232333229. The next prime is 131312232333251. The reversal of 131312232333242 is 242333232213131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3618993884 + ... + 3619030167.

It is an arithmetic number, because the mean of its divisors is an integer number (12637589994792).

Almost surely, 2^{131312232333242} is an apocalyptic number.

131312232333242 is a deficient number, since it is larger than the sum of its proper divisors (70889207583430).

131312232333242 is a wasteful number, since it uses less digits than its factorization.

131312232333242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7238024293.

The product of its digits is 93312, while the sum is 35.

Adding to 131312232333242 its reverse (242333232213131), we get a palindrome (373645464546373).

The spelling of 131312232333242 in words is "one hundred thirty-one trillion, three hundred twelve billion, two hundred thirty-two million, three hundred thirty-three thousand, two hundred forty-two".