43631203315112 has 128 divisors (see below), whose sum is σ = 98561979360000. Its totient is φ = 17688710430720.

The previous prime is 43631203315111. The next prime is 43631203315153. The reversal of 43631203315112 is 21151330213634.

It is not an unprimeable number, because it can be changed into a prime (43631203315111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2620641764 + ... + 2620658412.

It is an arithmetic number, because the mean of its divisors is an integer number (770015463750).

Almost surely, 2^{43631203315112} 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 43631203315112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49280989680000).

43631203315112 is an abundant number, since it is smaller than the sum of its proper divisors (54930776044888).

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

43631203315112 is a wasteful number, since it uses less digits than its factorization.

43631203315112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20179 (or 20175 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 35.

Adding to 43631203315112 its reverse (21151330213634), we get a palindrome (64782533528746).

The spelling of 43631203315112 in words is "forty-three trillion, six hundred thirty-one billion, two hundred three million, three hundred fifteen thousand, one hundred twelve".