131045434343 has 2 divisors, whose sum is σ = 131045434344. Its totient is φ = 131045434342.

The previous prime is 131045434327. The next prime is 131045434361. The reversal of 131045434343 is 343434540131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131045434343 - 2⁴ = 131045434327 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131045434313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65522717171 + 65522717172.

It is an arithmetic number, because the mean of its divisors is an integer number (65522717172).

Almost surely, 2^131045434343 is an apocalyptic number.

131045434343 is a deficient number, since it is larger than the sum of its proper divisors (1).

131045434343 is an equidigital number, since it uses as much as digits as its factorization.

131045434343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 35.

Adding to 131045434343 its reverse (343434540131), we get a palindrome (474479974474).

The spelling of 131045434343 in words is "one hundred thirty-one billion, forty-five million, four hundred thirty-four thousand, three hundred forty-three".