131404350435343 has 4 divisors (see below), whose sum is σ = 131404373458720. Its totient is φ = 131404327411968.

The previous prime is 131404350435251. The next prime is 131404350435349. The reversal of 131404350435343 is 343534053404131.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 131404350435343 - 2⁹ = 131404350434831 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131404350435343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131404350435349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4172218 + ... + 16739656.

It is an arithmetic number, because the mean of its divisors is an integer number (32851093364680).

Almost surely, 2^{131404350435343} is an apocalyptic number.

131404350435343 is a deficient number, since it is larger than the sum of its proper divisors (23023377).

131404350435343 is a wasteful number, since it uses less digits than its factorization.

131404350435343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23023376.

The product of its (nonzero) digits is 1555200, while the sum is 43.

The spelling of 131404350435343 in words is "one hundred thirty-one trillion, four hundred four billion, three hundred fifty million, four hundred thirty-five thousand, three hundred forty-three".