213003244343 has 4 divisors (see below), whose sum is σ = 214278713040. Its totient is φ = 211727775648.

The previous prime is 213003244271. The next prime is 213003244351. The reversal of 213003244343 is 343442300312.

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 213003244343 - 2¹⁴ = 213003227959 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 (213003241343) 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, 637734098 + ... + 637734431.

It is an arithmetic number, because the mean of its divisors is an integer number (53569678260).

Almost surely, 2^213003244343 is an apocalyptic number.

213003244343 is a deficient number, since it is larger than the sum of its proper divisors (1275468697).

213003244343 is a wasteful number, since it uses less digits than its factorization.

213003244343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275468696.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 213003244343 its reverse (343442300312), we get a palindrome (556445544655).

The spelling of 213003244343 in words is "two hundred thirteen billion, three million, two hundred forty-four thousand, three hundred forty-three".