431404444112 has 20 divisors (see below), whose sum is σ = 844463083716. Its totient is φ = 213478487040.

The previous prime is 431404444063. The next prime is 431404444147. The reversal of 431404444112 is 211444404134.

It can be written as a sum of positive squares in 2 ways, for example, as 307244055616 + 124160388496 = 554296^2 + 352364^2 .

It is a super-2 number, since 2×431404444112² (a number of 24 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 138981839 + ... + 138984942.

Almost surely, 2^431404444112 is an apocalyptic number.

It is an amenable number.

431404444112 is a deficient number, since it is larger than the sum of its proper divisors (413058639604).

431404444112 is a wasteful number, since it uses less digits than its factorization.

431404444112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277966886 (or 277966880 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 431404444112 its reverse (211444404134), we get a palindrome (642848848246).

The spelling of 431404444112 in words is "four hundred thirty-one billion, four hundred four million, four hundred forty-four thousand, one hundred twelve".