213443044 has 6 divisors (see below), whose sum is σ = 373525334. Its totient is φ = 106721520.

The previous prime is 213443023. The next prime is 213443051. The reversal of 213443044 is 440344312.

213443044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 183060900 + 30382144 = 13530^2 + 5512^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26680377 + ... + 26680384.

Almost surely, 2^213443044 is an apocalyptic number.

It is an amenable number.

213443044 is a deficient number, since it is larger than the sum of its proper divisors (160082290).

213443044 is a wasteful number, since it uses less digits than its factorization.

213443044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53360765 (or 53360763 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 213443044 is about 14609.6900720036. The cubic root of 213443044 is about 597.6230440503.

Adding to 213443044 its reverse (440344312), we get a palindrome (653787356).

The spelling of 213443044 in words is "two hundred thirteen million, four hundred forty-three thousand, forty-four".