2195250131 has 2 divisors, whose sum is σ = 2195250132. Its totient is φ = 2195250130.

The previous prime is 2195250077. The next prime is 2195250179. The reversal of 2195250131 is 1310525912.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2195250131 - 2⁶ = 2195250067 is a prime.

It is a super-2 number, since 2×2195250131² = 9638246275311034322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 2195250094 and 2195250103.

It is not a weakly prime, because it can be changed into another prime (2195250181) 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, 1097625065 + 1097625066.

It is an arithmetic number, because the mean of its divisors is an integer number (1097625066).

Almost surely, 2^2195250131 is an apocalyptic number.

2195250131 is a deficient number, since it is larger than the sum of its proper divisors (1).

2195250131 is an equidigital number, since it uses as much as digits as its factorization.

2195250131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 29.

The square root of 2195250131 is about 46853.4964650452. The cubic root of 2195250131 is about 1299.6547665119.

The spelling of 2195250131 in words is "two billion, one hundred ninety-five million, two hundred fifty thousand, one hundred thirty-one".