431343221112 has 96 divisors (see below), whose sum is σ = 1213958753280. Its totient is φ = 143487923040.

The previous prime is 431343221063. The next prime is 431343221119. The reversal of 431343221112 is 211122343134.

431343221112 is a `hidden beast` number, since 4 + 3 + 1 + 3 + 432 + 211 + 12 = 666.

431343221112 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431343221119) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 728553 + ... + 1180455.

It is an arithmetic number, because the mean of its divisors is an integer number (12645403680).

Almost surely, 2^431343221112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 431343221112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (606979376640).

431343221112 is an abundant number, since it is smaller than the sum of its proper divisors (782615532168).

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

431343221112 is a wasteful number, since it uses less digits than its factorization.

431343221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452415 (or 452399 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

Adding to 431343221112 its reverse (211122343134), we get a palindrome (642465564246).

The spelling of 431343221112 in words is "four hundred thirty-one billion, three hundred forty-three million, two hundred twenty-one thousand, one hundred twelve".