431044134542 has 16 divisors (see below), whose sum is σ = 782399437920. Its totient is φ = 173866541568.

The previous prime is 431044134539. The next prime is 431044134583. The reversal of 431044134542 is 245431440134.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 905554667 + ... + 905555142.

It is an arithmetic number, because the mean of its divisors is an integer number (48899964870).

Almost surely, 2^431044134542 is an apocalyptic number.

431044134542 is a deficient number, since it is larger than the sum of its proper divisors (351355303378).

431044134542 is a wasteful number, since it uses less digits than its factorization.

431044134542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1811109835.

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 431044134542 its reverse (245431440134), we get a palindrome (676475574676).

The spelling of 431044134542 in words is "four hundred thirty-one billion, forty-four million, one hundred thirty-four thousand, five hundred forty-two".