2231543230 has 32 divisors (see below), whose sum is σ = 4604273856. Its totient is φ = 762822144.

The previous prime is 2231543219. The next prime is 2231543261. The reversal of 2231543230 is 323451322.

It is a super-3 number, since 3×2231543230³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2231543195 and 2231543204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23709 + ... + 70888.

It is an arithmetic number, because the mean of its divisors is an integer number (143883558).

Almost surely, 2^2231543230 is an apocalyptic number.

2231543230 is an abundant number, since it is smaller than the sum of its proper divisors (2372730626).

2231543230 is a wasteful number, since it uses less digits than its factorization.

2231543230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94948.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 2231543230 is about 47239.2128427221. The cubic root of 2231543230 is about 1306.7778609415. Note that the first 3 decimals are identical.

Adding to 2231543230 its reverse (323451322), we get a palindrome (2554994552).

The spelling of 2231543230 in words is "two billion, two hundred thirty-one million, five hundred forty-three thousand, two hundred thirty".