431043231312 has 30 divisors (see below), whose sum is σ = 1206322376922. Its totient is φ = 143681077056.

The previous prime is 431043231293. The next prime is 431043231347. The reversal of 431043231312 is 213132340134.

It is a happy number.

431043231312 is a `hidden beast` number, since 4 + 310 + 4 + 3 + 2 + 31 + 312 = 666.

It can be written as a sum of positive squares in only one way, i.e., 256222241856 + 174820989456 = 506184^2 + 418116^2 .

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 5 ways as a sum of consecutive naturals, for example, 1496677743 + ... + 1496678030.

Almost surely, 2^431043231312 is an apocalyptic number.

It is an amenable number.

431043231312 is an abundant number, since it is smaller than the sum of its proper divisors (775279145610).

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

431043231312 is a wasteful number, since it uses less digits than its factorization.

431043231312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2993355787 (or 2993355778 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 431043231312 its reverse (213132340134), we get a palindrome (644175571446).

The spelling of 431043231312 in words is "four hundred thirty-one billion, forty-three million, two hundred thirty-one thousand, three hundred twelve".