131011113341442 has 16 divisors (see below), whose sum is σ = 262022339013120. Its totient is φ = 43670352392112.

The previous prime is 131011113341399. The next prime is 131011113341443. The reversal of 131011113341442 is 244143311110131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (131011113341443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24007903 + ... + 28955165.

It is an arithmetic number, because the mean of its divisors is an integer number (16376396188320).

Almost surely, 2^{131011113341442} is an apocalyptic number.

131011113341442 is an abundant number, since it is smaller than the sum of its proper divisors (131011225671678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131011113341442 is a wasteful number, since it uses less digits than its factorization.

131011113341442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9360857.

The product of its (nonzero) digits is 3456, while the sum is 30.

Adding to 131011113341442 its reverse (244143311110131), we get a palindrome (375154424451573).

The spelling of 131011113341442 in words is "one hundred thirty-one trillion, eleven billion, one hundred thirteen million, three hundred forty-one thousand, four hundred forty-two".