131341331323 has 4 divisors (see below), whose sum is σ = 131342181880. Its totient is φ = 131340480768.

The previous prime is 131341331299. The next prime is 131341331327. The reversal of 131341331323 is 323133143131.

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, and also an emirpimes, since its reverse is a distinct semiprime: 323133143131 = 1373 ⋅235348247.

It is a cyclic number.

It is not a de Polignac number, because 131341331323 - 2²⁵ = 131307776891 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131341331291 and 131341331300.

It is not an unprimeable number, because it can be changed into a prime (131341331327) 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, 121158 + ... + 526651.

It is an arithmetic number, because the mean of its divisors is an integer number (32835545470).

Almost surely, 2^131341331323 is an apocalyptic number.

131341331323 is a deficient number, since it is larger than the sum of its proper divisors (850557).

131341331323 is an equidigital number, since it uses as much as digits as its factorization.

131341331323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850556.

The product of its digits is 5832, while the sum is 28.

Adding to 131341331323 its reverse (323133143131), we get a palindrome (454474474454).

The spelling of 131341331323 in words is "one hundred thirty-one billion, three hundred forty-one million, three hundred thirty-one thousand, three hundred twenty-three".