2231532344 has 8 divisors (see below), whose sum is σ = 4184123160. Its totient is φ = 1115766168.

The previous prime is 2231532341. The next prime is 2231532361. The reversal of 2231532344 is 4432351322.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×2231532344³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231532341) by changing a digit.

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 as a sum of consecutive naturals, namely, 139470764 + ... + 139470779.

It is an arithmetic number, because the mean of its divisors is an integer number (523015395).

Almost surely, 2^2231532344 is an apocalyptic number.

It is an amenable number.

2231532344 is a deficient number, since it is larger than the sum of its proper divisors (1952590816).

2231532344 is a wasteful number, since it uses less digits than its factorization.

2231532344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278941549 (or 278941545 counting only the distinct ones).

The product of its digits is 17280, while the sum is 29.

The square root of 2231532344 is about 47239.0976205092. The cubic root of 2231532344 is about 1306.7757360133.

Adding to 2231532344 its reverse (4432351322), we get a palindrome (6663883666).

The spelling of 2231532344 in words is "two billion, two hundred thirty-one million, five hundred thirty-two thousand, three hundred forty-four".