131343232120343 has 4 divisors (see below), whose sum is σ = 135872309090040. Its totient is φ = 126814155150648.

The previous prime is 131343232120319. The next prime is 131343232120453. The reversal of 131343232120343 is 343021232343131.

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 131343232120343 - 2¹⁴ = 131343232103959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131343232120313) 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, 2264538484805 + ... + 2264538484862.

It is an arithmetic number, because the mean of its divisors is an integer number (33968077272510).

Almost surely, 2^{131343232120343} is an apocalyptic number.

131343232120343 is a deficient number, since it is larger than the sum of its proper divisors (4529076969697).

131343232120343 is an equidigital number, since it uses as much as digits as its factorization.

131343232120343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4529076969696.

The product of its (nonzero) digits is 93312, while the sum is 35.

Adding to 131343232120343 its reverse (343021232343131), we get a palindrome (474364464463474).

The spelling of 131343232120343 in words is "one hundred thirty-one trillion, three hundred forty-three billion, two hundred thirty-two million, one hundred twenty thousand, three hundred forty-three".