131518499143 has 2 divisors, whose sum is σ = 131518499144. Its totient is φ = 131518499142.

The previous prime is 131518499087. The next prime is 131518499153. The reversal of 131518499143 is 341994815131.

It is a strong prime.

It is an emirp because it is prime and its reverse (341994815131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131518499143 - 2¹⁷ = 131518368071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131518499153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65759249571 + 65759249572.

It is an arithmetic number, because the mean of its divisors is an integer number (65759249572).

Almost surely, 2^131518499143 is an apocalyptic number.

131518499143 is a deficient number, since it is larger than the sum of its proper divisors (1).

131518499143 is an equidigital number, since it uses as much as digits as its factorization.

131518499143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 49.

The spelling of 131518499143 in words is "one hundred thirty-one billion, five hundred eighteen million, four hundred ninety-nine thousand, one hundred forty-three".