531431543434 has 64 divisors (see below), whose sum is σ = 907178803200. Its totient is φ = 231300619200.

The previous prime is 531431543413. The next prime is 531431543441. The reversal of 531431543434 is 434345134135.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32818612 + ... + 32834800.

It is an arithmetic number, because the mean of its divisors is an integer number (14174668800).

Almost surely, 2^531431543434 is an apocalyptic number.

531431543434 is a deficient number, since it is larger than the sum of its proper divisors (375747259766).

531431543434 is a wasteful number, since it uses less digits than its factorization.

531431543434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16739.

The product of its digits is 518400, while the sum is 40.

Adding to 531431543434 its reverse (434345134135), we get a palindrome (965776677569).

The spelling of 531431543434 in words is "five hundred thirty-one billion, four hundred thirty-one million, five hundred forty-three thousand, four hundred thirty-four".