131230404187 has 2 divisors, whose sum is σ = 131230404188. Its totient is φ = 131230404186.

The previous prime is 131230404131. The next prime is 131230404199. The reversal of 131230404187 is 781404032131.

It is a strong prime.

It is an emirp because it is prime and its reverse (781404032131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131230404187 - 2²³ = 131222015579 is a prime.

It is not a weakly prime, because it can be changed into another prime (131230404127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65615202093 + 65615202094.

It is an arithmetic number, because the mean of its divisors is an integer number (65615202094).

Almost surely, 2^131230404187 is an apocalyptic number.

131230404187 is a deficient number, since it is larger than the sum of its proper divisors (1).

131230404187 is an equidigital number, since it uses as much as digits as its factorization.

131230404187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 34.

The spelling of 131230404187 in words is "one hundred thirty-one billion, two hundred thirty million, four hundred four thousand, one hundred eighty-seven".