2261095231 has 2 divisors, whose sum is σ = 2261095232. Its totient is φ = 2261095230.

The previous prime is 2261095189. The next prime is 2261095241. The reversal of 2261095231 is 1325901622.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2261095231 is a prime.

It is a super-2 number, since 2×2261095231² = 10225103287301886722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2261095193 and 2261095202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2261095241) 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, 1130547615 + 1130547616.

It is an arithmetic number, because the mean of its divisors is an integer number (1130547616).

Almost surely, 2^2261095231 is an apocalyptic number.

2261095231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2261095231 is an equidigital number, since it uses as much as digits as its factorization.

2261095231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 2261095231 is about 47550.9750793819. The cubic root of 2261095231 is about 1312.5210723268.

Adding to 2261095231 its reverse (1325901622), we get a palindrome (3586996853).

The spelling of 2261095231 in words is "two billion, two hundred sixty-one million, ninety-five thousand, two hundred thirty-one".