131022301187 has 2 divisors, whose sum is σ = 131022301188. Its totient is φ = 131022301186.

The previous prime is 131022301159. The next prime is 131022301219. The reversal of 131022301187 is 781103220131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131022301187 - 2²² = 131018106883 is a prime.

It is not a weakly prime, because it can be changed into another prime (131022301087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65511150593 + 65511150594.

It is an arithmetic number, because the mean of its divisors is an integer number (65511150594).

Almost surely, 2^131022301187 is an apocalyptic number.

131022301187 is a deficient number, since it is larger than the sum of its proper divisors (1).

131022301187 is an equidigital number, since it uses as much as digits as its factorization.

131022301187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 29.

The spelling of 131022301187 in words is "one hundred thirty-one billion, twenty-two million, three hundred one thousand, one hundred eighty-seven".