213030103 has 8 divisors (see below), whose sum is σ = 250273296. Its totient is φ = 178766400.

The previous prime is 213030091. The next prime is 213030107. The reversal of 213030103 is 301030312.

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 213030103 - 2¹³ = 213021911 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213030107) 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, 744718 + ... + 745003.

It is an arithmetic number, because the mean of its divisors is an integer number (31284162).

Almost surely, 2^213030103 is an apocalyptic number.

213030103 is a deficient number, since it is larger than the sum of its proper divisors (37243193).

213030103 is a wasteful number, since it uses less digits than its factorization.

213030103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1489745.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 213030103 is about 14595.5507946771. The cubic root of 213030103 is about 597.2373949147.

Adding to 213030103 its reverse (301030312), we get a palindrome (514060415).

The spelling of 213030103 in words is "two hundred thirteen million, thirty thousand, one hundred three".