531434430012 has 48 divisors (see below), whose sum is σ = 1269231005952. Its totient is φ = 173017541760.

The previous prime is 531434429989. The next prime is 531434430041. The reversal of 531434430012 is 210034434135.

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, 2823553 + ... + 3005880.

It is an arithmetic number, because the mean of its divisors is an integer number (26442312624).

Almost surely, 2^531434430012 is an apocalyptic number.

It is an amenable number.

531434430012 is an abundant number, since it is smaller than the sum of its proper divisors (737796575940).

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

531434430012 is a wasteful number, since it uses less digits than its factorization.

531434430012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5829618 (or 5829616 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 531434430012 its reverse (210034434135), we get a palindrome (741468864147).

The spelling of 531434430012 in words is "five hundred thirty-one billion, four hundred thirty-four million, four hundred thirty thousand, twelve".