213343103 has 2 divisors, whose sum is σ = 213343104. Its totient is φ = 213343102.

The previous prime is 213343099. The next prime is 213343139. The reversal of 213343103 is 301343312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213343103 - 2² = 213343099 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213343703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106671551 + 106671552.

It is an arithmetic number, because the mean of its divisors is an integer number (106671552).

Almost surely, 2^213343103 is an apocalyptic number.

213343103 is a deficient number, since it is larger than the sum of its proper divisors (1).

213343103 is an equidigital number, since it uses as much as digits as its factorization.

213343103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 213343103 is about 14606.2693046513. The cubic root of 213343103 is about 597.5297539498.

Adding to 213343103 its reverse (301343312), we get a palindrome (514686415).

The spelling of 213343103 in words is "two hundred thirteen million, three hundred forty-three thousand, one hundred three".