131021444432011 has 16 divisors (see below), whose sum is σ = 151159452065280. Its totient is φ = 111238896274560.

The previous prime is 131021444431993. The next prime is 131021444432017. The reversal of 131021444432011 is 110234444120131.

It is a cyclic number.

It is not a de Polignac number, because 131021444432011 - 2²³ = 131021436043403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131021444432017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6948951 + ... + 17616208.

It is an arithmetic number, because the mean of its divisors is an integer number (9447465754080).

Almost surely, 2^{131021444432011} is an apocalyptic number.

131021444432011 is a deficient number, since it is larger than the sum of its proper divisors (20138007633269).

131021444432011 is a wasteful number, since it uses less digits than its factorization.

131021444432011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24572394.

The product of its (nonzero) digits is 9216, while the sum is 31.

Adding to 131021444432011 its reverse (110234444120131), we get a palindrome (241255888552142).

The spelling of 131021444432011 in words is "one hundred thirty-one trillion, twenty-one billion, four hundred forty-four million, four hundred thirty-two thousand, eleven".