2231240432 has 80 divisors (see below), whose sum is σ = 4509012000. Its totient is φ = 1069009920.

The previous prime is 2231240399. The next prime is 2231240437. The reversal of 2231240432 is 2340421322.

It is a super-3 number, since 3×2231240432³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2231240398 and 2231240407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231240437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9743294 + ... + 9743522.

It is an arithmetic number, because the mean of its divisors is an integer number (56362650).

Almost surely, 2^2231240432 is an apocalyptic number.

It is an amenable number.

2231240432 is an abundant number, since it is smaller than the sum of its proper divisors (2277771568).

2231240432 is a wasteful number, since it uses less digits than its factorization.

2231240432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514 (or 508 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 2231240432 is about 47236.0077906675. The cubic root of 2231240432 is about 1306.7187527250.

Adding to 2231240432 its reverse (2340421322), we get a palindrome (4571661754).

The spelling of 2231240432 in words is "two billion, two hundred thirty-one million, two hundred forty thousand, four hundred thirty-two".