2271885131 has 2 divisors, whose sum is σ = 2271885132. Its totient is φ = 2271885130.

The previous prime is 2271885113. The next prime is 2271885139. The reversal of 2271885131 is 1315881722.

Together with previous prime (2271885113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2271885131 - 2¹⁰ = 2271884107 is a prime.

It is a super-2 number, since 2×2271885131² = 10322924096917774322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2271885139) 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, 1135942565 + 1135942566.

It is an arithmetic number, because the mean of its divisors is an integer number (1135942566).

Almost surely, 2^2271885131 is an apocalyptic number.

2271885131 is a deficient number, since it is larger than the sum of its proper divisors (1).

2271885131 is an equidigital number, since it uses as much as digits as its factorization.

2271885131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26880, while the sum is 38.

The square root of 2271885131 is about 47664.2961869784. The cubic root of 2271885131 is about 1314.6055346968.

The spelling of 2271885131 in words is "two billion, two hundred seventy-one million, eight hundred eighty-five thousand, one hundred thirty-one".