131326542343 has 2 divisors, whose sum is σ = 131326542344. Its totient is φ = 131326542342.

The previous prime is 131326542337. The next prime is 131326542371. The reversal of 131326542343 is 343245623131.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (343245623131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131326542343 - 2²¹ = 131324445191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131326542313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65663271171 + 65663271172.

It is an arithmetic number, because the mean of its divisors is an integer number (65663271172).

Almost surely, 2^131326542343 is an apocalyptic number.

131326542343 is a deficient number, since it is larger than the sum of its proper divisors (1).

131326542343 is an equidigital number, since it uses as much as digits as its factorization.

131326542343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 37.

The spelling of 131326542343 in words is "one hundred thirty-one billion, three hundred twenty-six million, five hundred forty-two thousand, three hundred forty-three".