531430330542 has 16 divisors (see below), whose sum is σ = 1080875249280. Its totient is φ = 174141012152.

The previous prime is 531430330531. The next prime is 531430330603. The reversal of 531430330542 is 245033034135.

It is a congruent number.

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, 750607458 + ... + 750608165.

It is an arithmetic number, because the mean of its divisors is an integer number (67554703080).

Almost surely, 2^531430330542 is an apocalyptic number.

531430330542 is an abundant number, since it is smaller than the sum of its proper divisors (549444918738).

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

531430330542 is a wasteful number, since it uses less digits than its factorization.

531430330542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501215687.

The product of its (nonzero) digits is 64800, while the sum is 33.

Adding to 531430330542 its reverse (245033034135), we get a palindrome (776463364677).

The spelling of 531430330542 in words is "five hundred thirty-one billion, four hundred thirty million, three hundred thirty thousand, five hundred forty-two".