131343023 has 4 divisors (see below), whose sum is σ = 150106320. Its totient is φ = 112579728.

The previous prime is 131342993. The next prime is 131343031. The reversal of 131343023 is 320343131.

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 131343023 - 2¹² = 131338927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131342986 and 131343004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131343073) 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, 9381638 + ... + 9381651.

It is an arithmetic number, because the mean of its divisors is an integer number (37526580).

Almost surely, 2^131343023 is an apocalyptic number.

131343023 is a deficient number, since it is larger than the sum of its proper divisors (18763297).

131343023 is an equidigital number, since it uses as much as digits as its factorization.

131343023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18763296.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 131343023 is about 11460.4983748526. The cubic root of 131343023 is about 508.3182113092.

Adding to 131343023 its reverse (320343131), we get a palindrome (451686154).

The spelling of 131343023 in words is "one hundred thirty-one million, three hundred forty-three thousand, twenty-three".