131322201187 has 2 divisors, whose sum is σ = 131322201188. Its totient is φ = 131322201186.

The previous prime is 131322201161. The next prime is 131322201211. The reversal of 131322201187 is 781102223131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131322201187 - 2²³ = 131313812579 is a prime.

It is not a weakly prime, because it can be changed into another prime (131322207187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65661100593 + 65661100594.

It is an arithmetic number, because the mean of its divisors is an integer number (65661100594).

Almost surely, 2^131322201187 is an apocalyptic number.

131322201187 is a deficient number, since it is larger than the sum of its proper divisors (1).

131322201187 is an equidigital number, since it uses as much as digits as its factorization.

131322201187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 31.

The spelling of 131322201187 in words is "one hundred thirty-one billion, three hundred twenty-two million, two hundred one thousand, one hundred eighty-seven".