131301344441 has 4 divisors (see below), whose sum is σ = 131362331892. Its totient is φ = 131240356992.

The previous prime is 131301344437. The next prime is 131301344459. The reversal of 131301344441 is 144443103131.

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 26234604841 + 105066739600 = 161971^2 + 324140^2 .

It is a cyclic number.

It is not a de Polignac number, because 131301344441 - 2² = 131301344437 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131301344401) 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, 30490496 + ... + 30494801.

It is an arithmetic number, because the mean of its divisors is an integer number (32840582973).

Almost surely, 2^131301344441 is an apocalyptic number.

It is an amenable number.

131301344441 is a deficient number, since it is larger than the sum of its proper divisors (60987451).

131301344441 is an equidigital number, since it uses as much as digits as its factorization.

131301344441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60987450.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 131301344441 its reverse (144443103131), we get a palindrome (275744447572).

The spelling of 131301344441 in words is "one hundred thirty-one billion, three hundred one million, three hundred forty-four thousand, four hundred forty-one".