131143421341 has 4 divisors (see below), whose sum is σ = 134687838172. Its totient is φ = 127599004512.

The previous prime is 131143421303. The next prime is 131143421371. The reversal of 131143421341 is 143124341131.

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 67553208100 + 63590213241 = 259910^2 + 252171^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131143421341 is a prime.

It is a super-2 number, since 2×131143421341² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131143421371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1772208360 + ... + 1772208433.

It is an arithmetic number, because the mean of its divisors is an integer number (33671959543).

Almost surely, 2^131143421341 is an apocalyptic number.

It is an amenable number.

131143421341 is a deficient number, since it is larger than the sum of its proper divisors (3544416831).

131143421341 is an equidigital number, since it uses as much as digits as its factorization.

131143421341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3544416830.

The product of its digits is 3456, while the sum is 28.

Adding to 131143421341 its reverse (143124341131), we get a palindrome (274267762472).

The spelling of 131143421341 in words is "one hundred thirty-one billion, one hundred forty-three million, four hundred twenty-one thousand, three hundred forty-one".