213130103 has 2 divisors, whose sum is σ = 213130104. Its totient is φ = 213130102.

The previous prime is 213130079. The next prime is 213130111. The reversal of 213130103 is 301031312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213130103 - 2¹⁶ = 213064567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213130303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106565051 + 106565052.

It is an arithmetic number, because the mean of its divisors is an integer number (106565052).

Almost surely, 2^213130103 is an apocalyptic number.

213130103 is a deficient number, since it is larger than the sum of its proper divisors (1).

213130103 is an equidigital number, since it uses as much as digits as its factorization.

213130103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 213130103 is about 14598.9760942335. The cubic root of 213130103 is about 597.3308314697.

Adding to 213130103 its reverse (301031312), we get a palindrome (514161415).

The spelling of 213130103 in words is "two hundred thirteen million, one hundred thirty thousand, one hundred three".