2231011332 has 36 divisors (see below), whose sum is σ = 6152183856. Its totient is φ = 676063920.

The previous prime is 2231011297. The next prime is 2231011333. The reversal of 2231011332 is 2331101322.

2231011332 is a `hidden beast` number, since 22 + 310 + 1 + 1 + 332 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×2231011332³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2231011333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2816538 + ... + 2817329.

It is an arithmetic number, because the mean of its divisors is an integer number (170893996).

Almost surely, 2^2231011332 is an apocalyptic number.

2231011332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2231011332 is an abundant number, since it is smaller than the sum of its proper divisors (3921172524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2231011332 is a wasteful number, since it uses less digits than its factorization.

2231011332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5633888 (or 5633883 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2231011332 is about 47233.5826716543. The cubic root of 2231011332 is about 1306.6740273025.

Adding to 2231011332 its reverse (2331101322), we get a palindrome (4562112654).

The spelling of 2231011332 in words is "two billion, two hundred thirty-one million, eleven thousand, three hundred thirty-two".