213043443044 has 24 divisors (see below), whose sum is σ = 375465431040. Its totient is φ = 105768833184.

The previous prime is 213043443013. The next prime is 213043443047. The reversal of 213043443044 is 440344340312.

213043443044 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×213043443044³ (a number of 35 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 213043443044.

It is not an unprimeable number, because it can be changed into a prime (213043443047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 544157 + ... + 849819.

It is an arithmetic number, because the mean of its divisors is an integer number (15644392960).

Almost surely, 2^213043443044 is an apocalyptic number.

It is an amenable number.

213043443044 is a deficient number, since it is larger than the sum of its proper divisors (162421987996).

213043443044 is a wasteful number, since it uses less digits than its factorization.

213043443044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306899 (or 306897 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 213043443044 its reverse (440344340312), we get a palindrome (653387783356).

The spelling of 213043443044 in words is "two hundred thirteen billion, forty-three million, four hundred forty-three thousand, forty-four".