131310341242343 has 4 divisors (see below), whose sum is σ = 134364070108488. Its totient is φ = 128256612376200.

The previous prime is 131310341242307. The next prime is 131310341242403. The reversal of 131310341242343 is 343242143013131.

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 131310341242343 - 2¹⁰ = 131310341241319 is a prime.

It is a super-2 number, since 2×131310341242343² (a number of 29 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 (131310341242643) 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, 1526864433008 + ... + 1526864433093.

It is an arithmetic number, because the mean of its divisors is an integer number (33591017527122).

Almost surely, 2^{131310341242343} is an apocalyptic number.

131310341242343 is a deficient number, since it is larger than the sum of its proper divisors (3053728866145).

131310341242343 is an equidigital number, since it uses as much as digits as its factorization.

131310341242343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3053728866144.

The product of its (nonzero) digits is 62208, while the sum is 35.

Adding to 131310341242343 its reverse (343242143013131), we get a palindrome (474552484255474).

The spelling of 131310341242343 in words is "one hundred thirty-one trillion, three hundred ten billion, three hundred forty-one million, two hundred forty-two thousand, three hundred forty-three".