2131847271 has 12 divisors (see below), whose sum is σ = 3082156272. Its totient is φ = 1419929376.

The previous prime is 2131847269. The next prime is 2131847293. The reversal of 2131847271 is 1727481312.

It is not a de Polignac number, because 2131847271 - 2¹ = 2131847269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131847231) 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 in 11 ways as a sum of consecutive naturals, for example, 98091 + ... + 117836.

It is an arithmetic number, because the mean of its divisors is an integer number (256846356).

Almost surely, 2^2131847271 is an apocalyptic number.

2131847271 is a deficient number, since it is larger than the sum of its proper divisors (950309001).

2131847271 is a wasteful number, since it uses less digits than its factorization.

2131847271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217030 (or 217027 counting only the distinct ones).

The product of its digits is 18816, while the sum is 36.

The square root of 2131847271 is about 46171.9316360059. The cubic root of 2131847271 is about 1287.0201980808.

The spelling of 2131847271 in words is "two billion, one hundred thirty-one million, eight hundred forty-seven thousand, two hundred seventy-one".