531442230 has 32 divisors (see below), whose sum is σ = 1391413248. Its totient is φ = 128834400.

The previous prime is 531442213. The next prime is 531442231. The reversal of 531442230 is 32244135.

It is a self number, because there is not a number n which added to its sum of digits gives 531442230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531442231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 804886 + ... + 805545.

It is an arithmetic number, because the mean of its divisors is an integer number (43481664).

Almost surely, 2^531442230 is an apocalyptic number.

531442230 is an abundant number, since it is smaller than the sum of its proper divisors (859971018).

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

531442230 is a wasteful number, since it uses less digits than its factorization.

531442230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610452.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 531442230 is about 23053.0308202631. The cubic root of 531442230 is about 810.0006249043. Note that the first 3 decimals are identical.

Adding to 531442230 its reverse (32244135), we get a palindrome (563686365).

The spelling of 531442230 in words is "five hundred thirty-one million, four hundred forty-two thousand, two hundred thirty".