2231132211 has 48 divisors (see below), whose sum is σ = 4059514368. Its totient is φ = 1147046400.

The previous prime is 2231132203. The next prime is 2231132231. The reversal of 2231132211 is 1122311322.

2231132211 is a `hidden beast` number, since 22 + 311 + 322 + 11 = 666.

It is not a de Polignac number, because 2231132211 - 2³ = 2231132203 is a prime.

It is a super-3 number, since 3×2231132211³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2231132231) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 50626 + ... + 83816.

It is an arithmetic number, because the mean of its divisors is an integer number (84573216).

Almost surely, 2^2231132211 is an apocalyptic number.

2231132211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2231132211 is a deficient number, since it is larger than the sum of its proper divisors (1828382157).

2231132211 is a wasteful number, since it uses less digits than its factorization.

2231132211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33312 (or 33309 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 2231132211 is about 47234.8622417807. The cubic root of 2231132211 is about 1306.6976259570.

Adding to 2231132211 its reverse (1122311322), we get a palindrome (3353443533).

It can be divided in two parts, 22311322 and 11, that multiplied together give a palindrome (245424542).

The spelling of 2231132211 in words is "two billion, two hundred thirty-one million, one hundred thirty-two thousand, two hundred eleven".