213312210103 has 2 divisors, whose sum is σ = 213312210104. Its totient is φ = 213312210102.

The previous prime is 213312210061. The next prime is 213312210149. The reversal of 213312210103 is 301012213312.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213312210103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213312210203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106656105051 + 106656105052.

It is an arithmetic number, because the mean of its divisors is an integer number (106656105052).

Almost surely, 2^213312210103 is an apocalyptic number.

213312210103 is a deficient number, since it is larger than the sum of its proper divisors (1).

213312210103 is an equidigital number, since it uses as much as digits as its factorization.

213312210103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 213312210103 its reverse (301012213312), we get a palindrome (514324423415).

The spelling of 213312210103 in words is "two hundred thirteen billion, three hundred twelve million, two hundred ten thousand, one hundred three".