131332444403441 has 4 divisors (see below), whose sum is σ = 135861149382900. Its totient is φ = 126803739423984.

The previous prime is 131332444403401. The next prime is 131332444403507. The reversal of 131332444403441 is 144304444233131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 101353972335841 + 29978472067600 = 10067471^2 + 5475260^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131332444403441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131332444403401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2264352489686 + ... + 2264352489743.

It is an arithmetic number, because the mean of its divisors is an integer number (33965287345725).

Almost surely, 2^{131332444403441} is an apocalyptic number.

It is an amenable number.

131332444403441 is a deficient number, since it is larger than the sum of its proper divisors (4528704979459).

131332444403441 is an equidigital number, since it uses as much as digits as its factorization.

131332444403441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4528704979458.

The product of its (nonzero) digits is 663552, while the sum is 41.

Adding to 131332444403441 its reverse (144304444233131), we get a palindrome (275636888636572).

The spelling of 131332444403441 in words is "one hundred thirty-one trillion, three hundred thirty-two billion, four hundred forty-four million, four hundred three thousand, four hundred forty-one".