131032223191 has 2 divisors, whose sum is σ = 131032223192. Its totient is φ = 131032223190.

The previous prime is 131032223131. The next prime is 131032223207. The reversal of 131032223191 is 191322230131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131032223191 - 2²¹ = 131030126039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131032223111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65516111595 + 65516111596.

It is an arithmetic number, because the mean of its divisors is an integer number (65516111596).

Almost surely, 2^131032223191 is an apocalyptic number.

131032223191 is a deficient number, since it is larger than the sum of its proper divisors (1).

131032223191 is an equidigital number, since it uses as much as digits as its factorization.

131032223191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 28.

The spelling of 131032223191 in words is "one hundred thirty-one billion, thirty-two million, two hundred twenty-three thousand, one hundred ninety-one".