131203103191 has 2 divisors, whose sum is σ = 131203103192. Its totient is φ = 131203103190.

The previous prime is 131203103179. The next prime is 131203103257. The reversal of 131203103191 is 191301302131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131203103191 - 2¹³ = 131203094999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131203101191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65601551595 + 65601551596.

It is an arithmetic number, because the mean of its divisors is an integer number (65601551596).

Almost surely, 2^131203103191 is an apocalyptic number.

131203103191 is a deficient number, since it is larger than the sum of its proper divisors (1).

131203103191 is an equidigital number, since it uses as much as digits as its factorization.

131203103191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 25.

The spelling of 131203103191 in words is "one hundred thirty-one billion, two hundred three million, one hundred three thousand, one hundred ninety-one".