131342023 has 2 divisors, whose sum is σ = 131342024. Its totient is φ = 131342022.

The previous prime is 131342021. The next prime is 131342033. The reversal of 131342023 is 320243131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131342023 - 2¹ = 131342021 is a prime.

Together with 131342021, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131342021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65671011 + 65671012.

It is an arithmetic number, because the mean of its divisors is an integer number (65671012).

Almost surely, 2^131342023 is an apocalyptic number.

131342023 is a deficient number, since it is larger than the sum of its proper divisors (1).

131342023 is an equidigital number, since it uses as much as digits as its factorization.

131342023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 131342023 is about 11460.4547466495. The cubic root of 131342023 is about 508.3169212534.

Adding to 131342023 its reverse (320243131), we get a palindrome (451585154).

The spelling of 131342023 in words is "one hundred thirty-one million, three hundred forty-two thousand, twenty-three".