131201443411321 has 4 divisors (see below), whose sum is σ = 131201723254672. Its totient is φ = 131201163567972.

The previous prime is 131201443411267. The next prime is 131201443411343. The reversal of 131201443411321 is 123114344102131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 131201443411321 - 2⁷ = 131201443411193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131201443411361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139217235 + ... + 140156488.

It is an arithmetic number, because the mean of its divisors is an integer number (32800430813668).

Almost surely, 2^{131201443411321} is an apocalyptic number.

It is an amenable number.

131201443411321 is a deficient number, since it is larger than the sum of its proper divisors (279843351).

131201443411321 is an equidigital number, since it uses as much as digits as its factorization.

131201443411321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279843350.

The product of its (nonzero) digits is 6912, while the sum is 31.

Adding to 131201443411321 its reverse (123114344102131), we get a palindrome (254315787513452).

The spelling of 131201443411321 in words is "one hundred thirty-one trillion, two hundred one billion, four hundred forty-three million, four hundred eleven thousand, three hundred twenty-one".