213210103 has 8 divisors (see below), whose sum is σ = 215654400. Its totient is φ = 210773208.

The previous prime is 213210083. The next prime is 213210113. The reversal of 213210103 is 301012312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213210103 - 2⁵ = 213210071 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 (213210113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72618 + ... + 75496.

It is an arithmetic number, because the mean of its divisors is an integer number (26956800).

Almost surely, 2^213210103 is an apocalyptic number.

213210103 is a deficient number, since it is larger than the sum of its proper divisors (2444297).

213210103 is a wasteful number, since it uses less digits than its factorization.

213210103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3701.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 213210103 is about 14601.7157553488. The cubic root of 213210103 is about 597.4055596726.

Adding to 213210103 its reverse (301012312), we get a palindrome (514222415).

The spelling of 213210103 in words is "two hundred thirteen million, two hundred ten thousand, one hundred three".