2231001132 has 12 divisors (see below), whose sum is σ = 5205669336. Its totient is φ = 743667040.

The previous prime is 2231001089. The next prime is 2231001167. The reversal of 2231001132 is 2311001322.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×2231001132³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92958369 + ... + 92958392.

It is an arithmetic number, because the mean of its divisors is an integer number (433805778).

Almost surely, 2^2231001132 is an apocalyptic number.

It is an amenable number.

2231001132 is an abundant number, since it is smaller than the sum of its proper divisors (2974668204).

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

2231001132 is a wasteful number, since it uses less digits than its factorization.

2231001132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185916768 (or 185916766 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2231001132 is about 47233.4746975066. The cubic root of 2231001132 is about 1306.6720359641.

Adding to 2231001132 its reverse (2311001322), we get a palindrome (4542002454).

The spelling of 2231001132 in words is "two billion, two hundred thirty-one million, one thousand, one hundred thirty-two".