531245204312424 has 32 divisors (see below), whose sum is σ = 1517843440893120. Its totient is φ = 151784344089216.

The previous prime is 531245204312281. The next prime is 531245204312497. The reversal of 531245204312424 is 424213402542135.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1581086917429 + ... + 1581086917764.

It is an arithmetic number, because the mean of its divisors is an integer number (47432607527910).

Almost surely, 2^{531245204312424} is an apocalyptic number.

It is an amenable number.

531245204312424 is an abundant number, since it is smaller than the sum of its proper divisors (986598236580696).

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

531245204312424 is a wasteful number, since it uses less digits than its factorization.

531245204312424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3162173835209 (or 3162173835205 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 42.

Adding to 531245204312424 its reverse (424213402542135), we get a palindrome (955458606854559).

The spelling of 531245204312424 in words is "five hundred thirty-one trillion, two hundred forty-five billion, two hundred four million, three hundred twelve thousand, four hundred twenty-four".