131301320441 has 4 divisors (see below), whose sum is σ = 131613200484. Its totient is φ = 130989440400.

The previous prime is 131301320401. The next prime is 131301320497. The reversal of 131301320441 is 144023103131.

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 26856654400 + 104444666041 = 163880^2 + 323179^2 .

It is a cyclic number.

It is not a de Polignac number, because 131301320441 - 2¹⁰ = 131301319417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131301320401) 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, 155939390 + ... + 155940231.

It is an arithmetic number, because the mean of its divisors is an integer number (32903300121).

Almost surely, 2^131301320441 is an apocalyptic number.

It is an amenable number.

131301320441 is a deficient number, since it is larger than the sum of its proper divisors (311880043).

131301320441 is an equidigital number, since it uses as much as digits as its factorization.

131301320441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311880042.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 131301320441 its reverse (144023103131), we get a palindrome (275324423572).

The spelling of 131301320441 in words is "one hundred thirty-one billion, three hundred one million, three hundred twenty thousand, four hundred forty-one".