431630541503403 has 32 divisors (see below), whose sum is σ = 631440724953600. Its totient is φ = 260090148003840.

The previous prime is 431630541503377. The next prime is 431630541503477. The reversal of 431630541503403 is 304305145036134.

It is not a de Polignac number, because 431630541503403 - 2¹⁶ = 431630541437867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (431630541583403) by changing a digit.

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, 14919126 + ... + 32952107.

It is an arithmetic number, because the mean of its divisors is an integer number (19732522654800).

Almost surely, 2^{431630541503403} is an apocalyptic number.

431630541503403 is a deficient number, since it is larger than the sum of its proper divisors (199810183450197).

431630541503403 is a wasteful number, since it uses less digits than its factorization.

431630541503403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47872819.

The product of its (nonzero) digits is 777600, while the sum is 42.

Adding to 431630541503403 its reverse (304305145036134), we get a palindrome (735935686539537).

The spelling of 431630541503403 in words is "four hundred thirty-one trillion, six hundred thirty billion, five hundred forty-one million, five hundred three thousand, four hundred three".