11231771 has 4 divisors (see below), whose sum is σ = 11422200. Its totient is φ = 11041344.

The previous prime is 11231767. The next prime is 11231777. The reversal of 11231771 is 17713211.

11231771 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11231771 - 2² = 11231767 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11231777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95126 + ... + 95243.

It is an arithmetic number, because the mean of its divisors is an integer number (2855550).

Almost surely, 2^11231771 is an apocalyptic number.

11231771 is a deficient number, since it is larger than the sum of its proper divisors (190429).

11231771 is an equidigital number, since it uses as much as digits as its factorization.

11231771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190428.

The product of its digits is 294, while the sum is 23.

The square root of 11231771 is about 3351.3834456833. The cubic root of 11231771 is about 223.9491474168.

Adding to 11231771 its reverse (17713211), we get a palindrome (28944982).

The spelling of 11231771 in words is "eleven million, two hundred thirty-one thousand, seven hundred seventy-one".