213010043 has 4 divisors (see below), whose sum is σ = 213041160. Its totient is φ = 212978928.

The previous prime is 213010037. The next prime is 213010067. The reversal of 213010043 is 340010312.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 213010043 - 2¹⁶ = 212944507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213010013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305 + ... + 20642.

It is an arithmetic number, because the mean of its divisors is an integer number (53260290).

Almost surely, 2^213010043 is an apocalyptic number.

213010043 is a deficient number, since it is larger than the sum of its proper divisors (31117).

213010043 is a wasteful number, since it uses less digits than its factorization.

213010043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31116.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 213010043 is about 14594.8635827814. The cubic root of 213010043 is about 597.2186480208.

Adding to 213010043 its reverse (340010312), we get a palindrome (553020355).

The spelling of 213010043 in words is "two hundred thirteen million, ten thousand, forty-three".