431111540532 has 48 divisors (see below), whose sum is σ = 1028005932800. Its totient is φ = 140583081600.

The previous prime is 431111540527. The next prime is 431111540557. The reversal of 431111540532 is 235045111134.

It is a self number, because there is not a number n which added to its sum of digits gives 431111540532.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1982719 + ... + 2189382.

Almost surely, 2^431111540532 is an apocalyptic number.

It is an amenable number.

431111540532 is an abundant number, since it is smaller than the sum of its proper divisors (596894392268).

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

431111540532 is a wasteful number, since it uses less digits than its factorization.

431111540532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4172296 (or 4172294 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 431111540532 its reverse (235045111134), we get a palindrome (666156651666).

The spelling of 431111540532 in words is "four hundred thirty-one billion, one hundred eleven million, five hundred forty thousand, five hundred thirty-two".