2231271711 has 8 divisors (see below), whose sum is σ = 3305587760. Its totient is φ = 1487514456.

The previous prime is 2231271689. The next prime is 2231271719. The reversal of 2231271711 is 1171721322.

2231271711 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2231271711 - 2²⁷ = 2097053983 is a prime.

It is a super-3 number, since 3×2231271711³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 82639693 = 2231271711 / (2 + 2 + 3 + 1 + 2 + 7 + 1 + 7 + 1 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231271719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41319820 + ... + 41319873.

It is an arithmetic number, because the mean of its divisors is an integer number (413198470).

Almost surely, 2^2231271711 is an apocalyptic number.

2231271711 is a deficient number, since it is larger than the sum of its proper divisors (1074316049).

2231271711 is an equidigital number, since it uses as much as digits as its factorization.

2231271711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82639702 (or 82639696 counting only the distinct ones).

The product of its digits is 1176, while the sum is 27.

The square root of 2231271711 is about 47236.3388822631. The cubic root of 2231271711 is about 1306.7248588449.

The spelling of 2231271711 in words is "two billion, two hundred thirty-one million, two hundred seventy-one thousand, seven hundred eleven".