131442332242 has 32 divisors (see below), whose sum is σ = 219733424064. Its totient is φ = 58575441600.

The previous prime is 131442332237. The next prime is 131442332297. The reversal of 131442332242 is 242233244131.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 395484 + ... + 647527.

It is an arithmetic number, because the mean of its divisors is an integer number (6866669502).

Almost surely, 2^131442332242 is an apocalyptic number.

131442332242 is a deficient number, since it is larger than the sum of its proper divisors (88291091822).

131442332242 is a wasteful number, since it uses less digits than its factorization.

131442332242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043194.

The product of its digits is 27648, while the sum is 31.

Adding to 131442332242 its reverse (242233244131), we get a palindrome (373675576373).

The spelling of 131442332242 in words is "one hundred thirty-one billion, four hundred forty-two million, three hundred thirty-two thousand, two hundred forty-two".