213120103 has 8 divisors (see below), whose sum is σ = 243655200. Its totient is φ = 182607360.

The previous prime is 213120029. The next prime is 213120107. The reversal of 213120103 is 301021312.

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 213120103 - 2¹³ = 213111911 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 (213120107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29823 + ... + 36271.

It is an arithmetic number, because the mean of its divisors is an integer number (30456900).

Almost surely, 2^213120103 is an apocalyptic number.

213120103 is a deficient number, since it is larger than the sum of its proper divisors (30535097).

213120103 is an equidigital number, since it uses as much as digits as its factorization.

213120103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11177.

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

The square root of 213120103 is about 14598.6336004436. The cubic root of 213120103 is about 597.3214891295.

Adding to 213120103 its reverse (301021312), we get a palindrome (514141415).

The spelling of 213120103 in words is "two hundred thirteen million, one hundred twenty thousand, one hundred three".