131425065242 has 16 divisors (see below), whose sum is σ = 198008015400. Its totient is φ = 65422463232.

The previous prime is 131425065217. The next prime is 131425065257. The reversal of 131425065242 is 242560524131.

It can be written as a sum of positive squares in 4 ways, for example, as 128952091801 + 2472973441 = 359099^2 + 49729^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6070028 + ... + 6091640.

Almost surely, 2^131425065242 is an apocalyptic number.

131425065242 is a deficient number, since it is larger than the sum of its proper divisors (66582950158).

131425065242 is a wasteful number, since it uses less digits than its factorization.

131425065242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34897.

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 131425065242 its reverse (242560524131), we get a palindrome (373985589373).

The spelling of 131425065242 in words is "one hundred thirty-one billion, four hundred twenty-five million, sixty-five thousand, two hundred forty-two".