43113312252 has 72 divisors (see below), whose sum is σ = 111465559296. Its totient is φ = 14044365984.

The previous prime is 43113312211. The next prime is 43113312259. The reversal of 43113312252 is 25221331134.

43113312252 is a `hidden beast` number, since 431 + 1 + 3 + 3 + 1 + 225 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43113312259) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1136983 + ... + 1174289.

It is an arithmetic number, because the mean of its divisors is an integer number (1548132768).

Almost surely, 2^43113312252 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 43113312252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55732779648).

43113312252 is an abundant number, since it is smaller than the sum of its proper divisors (68352247044).

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

43113312252 is a wasteful number, since it uses less digits than its factorization.

43113312252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38047 (or 38042 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

Adding to 43113312252 its reverse (25221331134), we get a palindrome (68334643386).

The spelling of 43113312252 in words is "forty-three billion, one hundred thirteen million, three hundred twelve thousand, two hundred fifty-two".