131135203111442 has 8 divisors (see below), whose sum is σ = 196702853360076. Its totient is φ = 65567585324752.

The previous prime is 131135203111411. The next prime is 131135203111457. The reversal of 131135203111442 is 244111302531131.

It can be written as a sum of positive squares in 2 ways, for example, as 127312204459441 + 3822998652001 = 11283271^2 + 1955249^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 131135203111399 and 131135203111408.

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, 10818848 + ... + 19476084.

Almost surely, 2^{131135203111442} is an apocalyptic number.

131135203111442 is a deficient number, since it is larger than the sum of its proper divisors (65567650248634).

131135203111442 is an equidigital number, since it uses as much as digits as its factorization.

131135203111442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16230972.

The product of its (nonzero) digits is 8640, while the sum is 32.

Adding to 131135203111442 its reverse (244111302531131), we get a palindrome (375246505642573).

The spelling of 131135203111442 in words is "one hundred thirty-one trillion, one hundred thirty-five billion, two hundred three million, one hundred eleven thousand, four hundred forty-two".