131142185843 has 2 divisors, whose sum is σ = 131142185844. Its totient is φ = 131142185842.

The previous prime is 131142185731. The next prime is 131142185939. The reversal of 131142185843 is 348581241131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131142185843 - 2²⁸ = 130873750387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131142185843.

It is not a weakly prime, because it can be changed into another prime (131142184843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65571092921 + 65571092922.

It is an arithmetic number, because the mean of its divisors is an integer number (65571092922).

Almost surely, 2^131142185843 is an apocalyptic number.

131142185843 is a deficient number, since it is larger than the sum of its proper divisors (1).

131142185843 is an equidigital number, since it uses as much as digits as its factorization.

131142185843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 92160, while the sum is 41.

The spelling of 131142185843 in words is "one hundred thirty-one billion, one hundred forty-two million, one hundred eighty-five thousand, eight hundred forty-three".