213103003 has 2 divisors, whose sum is σ = 213103004. Its totient is φ = 213103002.

The previous prime is 213102941. The next prime is 213103039. The reversal of 213103003 is 300301312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213103003 - 2²⁵ = 179548571 is a prime.

It is not a weakly prime, because it can be changed into another prime (213103063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106551501 + 106551502.

It is an arithmetic number, because the mean of its divisors is an integer number (106551502).

Almost surely, 2^213103003 is an apocalyptic number.

213103003 is a deficient number, since it is larger than the sum of its proper divisors (1).

213103003 is an equidigital number, since it uses as much as digits as its factorization.

213103003 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 13.

The square root of 213103003 is about 14598.0479174443. The cubic root of 213103003 is about 597.3055130508.

Adding to 213103003 its reverse (300301312), we get a palindrome (513404315).

The spelling of 213103003 in words is "two hundred thirteen million, one hundred three thousand, three".