210343013 has 4 divisors (see below), whose sum is σ = 211602720. Its totient is φ = 209083308.

The previous prime is 210342983. The next prime is 210343019. The reversal of 210343013 is 310343012.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 210343013 - 2⁸ = 210342757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210342982 and 210343000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210343019) 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, 629603 + ... + 629936.

It is an arithmetic number, because the mean of its divisors is an integer number (52900680).

Almost surely, 2^210343013 is an apocalyptic number.

It is an amenable number.

210343013 is a deficient number, since it is larger than the sum of its proper divisors (1259707).

210343013 is a wasteful number, since it uses less digits than its factorization.

210343013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259706.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 210343013 is about 14503.2069901798. The cubic root of 210343013 is about 594.7156450269.

Adding to 210343013 its reverse (310343012), we get a palindrome (520686025).

Subtracting 210343013 from its reverse (310343012), we obtain a palindrome (99999999).

The spelling of 210343013 in words is "two hundred ten million, three hundred forty-three thousand, thirteen".