431513310344 has 8 divisors (see below), whose sum is σ = 809087456910. Its totient is φ = 215756655168.

The previous prime is 431513310331. The next prime is 431513310379. The reversal of 431513310344 is 443013315134.

It can be written as a sum of positive squares in only one way, i.e., 297066421444 + 134446888900 = 545038^2 + 366670^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 431513310344.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26969581889 + ... + 26969581904.

Almost surely, 2^431513310344 is an apocalyptic number.

It is an amenable number.

431513310344 is a deficient number, since it is larger than the sum of its proper divisors (377574146566).

431513310344 is a wasteful number, since it uses less digits than its factorization.

431513310344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53939163799 (or 53939163795 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 431513310344 its reverse (443013315134), we get a palindrome (874526625478).

The spelling of 431513310344 in words is "four hundred thirty-one billion, five hundred thirteen million, three hundred ten thousand, three hundred forty-four".