531230442 has 8 divisors (see below), whose sum is σ = 1062460896. Its totient is φ = 177076812.

The previous prime is 531230429. The next prime is 531230489. The reversal of 531230442 is 244032135.

It is a sphenic number, since it is the product of 3 distinct primes.

531230442 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44269198 + ... + 44269209.

It is an arithmetic number, because the mean of its divisors is an integer number (132807612).

Almost surely, 2^531230442 is an apocalyptic number.

531230442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

531230442 is a wasteful number, since it uses less digits than its factorization.

531230442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88538412.

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

The square root of 531230442 is about 23048.4368667378. The cubic root of 531230442 is about 809.8930113225.

Adding to 531230442 its reverse (244032135), we get a palindrome (775262577).

The spelling of 531230442 in words is "five hundred thirty-one million, two hundred thirty thousand, four hundred forty-two".