131310043 has 2 divisors, whose sum is σ = 131310044. Its totient is φ = 131310042.

The previous prime is 131309993. The next prime is 131310061. The reversal of 131310043 is 340013131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131310043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131309999 and 131310026.

It is not a weakly prime, because it can be changed into another prime (131310643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65655021 + 65655022.

It is an arithmetic number, because the mean of its divisors is an integer number (65655022).

Almost surely, 2^131310043 is an apocalyptic number.

131310043 is a deficient number, since it is larger than the sum of its proper divisors (1).

131310043 is an equidigital number, since it uses as much as digits as its factorization.

131310043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 131310043 is about 11459.0594291155. The cubic root of 131310043 is about 508.2756618141.

Adding to 131310043 its reverse (340013131), we get a palindrome (471323174).

The spelling of 131310043 in words is "one hundred thirty-one million, three hundred ten thousand, forty-three".