2031125191 has 2 divisors, whose sum is σ = 2031125192. Its totient is φ = 2031125190.

The previous prime is 2031125153. The next prime is 2031125197. The reversal of 2031125191 is 1915211302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2031125191 - 2⁹ = 2031124679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2031125197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015562595 + 1015562596.

It is an arithmetic number, because the mean of its divisors is an integer number (1015562596).

Almost surely, 2^2031125191 is an apocalyptic number.

2031125191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031125191 is an equidigital number, since it uses as much as digits as its factorization.

2031125191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 25.

The square root of 2031125191 is about 45068.0062904939. The cubic root of 2031125191 is about 1266.4233154928.

Adding to 2031125191 its reverse (1915211302), we get a palindrome (3946336493).

The spelling of 2031125191 in words is "two billion, thirty-one million, one hundred twenty-five thousand, one hundred ninety-one".