213046343 has 4 divisors (see below), whose sum is σ = 216538968. Its totient is φ = 209553720.

The previous prime is 213046319. The next prime is 213046349. The reversal of 213046343 is 343640312.

It is a happy number.

213046343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213046343 - 2⁶ = 213046279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213046349) 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, 1746221 + ... + 1746342.

It is an arithmetic number, because the mean of its divisors is an integer number (54134742).

Almost surely, 2^213046343 is an apocalyptic number.

213046343 is a deficient number, since it is larger than the sum of its proper divisors (3492625).

213046343 is an equidigital number, since it uses as much as digits as its factorization.

213046343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3492624.

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 213046343 is about 14596.1071179955. The cubic root of 213046343 is about 597.2525709996.

Adding to 213046343 its reverse (343640312), we get a palindrome (556686655).

The spelling of 213046343 in words is "two hundred thirteen million, forty-six thousand, three hundred forty-three".