131201443131331 has 4 divisors (see below), whose sum is σ = 131368153987432. Its totient is φ = 131034732275232.

The previous prime is 131201443131323. The next prime is 131201443131377. The reversal of 131201443131331 is 133131344102131.

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

It is a cyclic number.

It is not a de Polignac number, because 131201443131331 - 2³ = 131201443131323 is a prime.

It is a super-2 number, since 2×131201443131331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131201443131293 and 131201443131302.

It is not an unprimeable number, because it can be changed into a prime (131201443131301) 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, 83355426870 + ... + 83355428443.

It is an arithmetic number, because the mean of its divisors is an integer number (32842038496858).

Almost surely, 2^{131201443131331} is an apocalyptic number.

131201443131331 is a deficient number, since it is larger than the sum of its proper divisors (166710856101).

131201443131331 is an equidigital number, since it uses as much as digits as its factorization.

131201443131331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166710856100.

The product of its (nonzero) digits is 7776, while the sum is 31.

Adding to 131201443131331 its reverse (133131344102131), we get a palindrome (264332787233462).

The spelling of 131201443131331 in words is "one hundred thirty-one trillion, two hundred one billion, four hundred forty-three million, one hundred thirty-one thousand, three hundred thirty-one".