213210313103 has 2 divisors, whose sum is σ = 213210313104. Its totient is φ = 213210313102.

The previous prime is 213210313079. The next prime is 213210313177. The reversal of 213210313103 is 301313012312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213210313103 - 2¹⁸ = 213210050959 is a prime.

It is a super-2 number, since 2×213210313103² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213210319103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106605156551 + 106605156552.

It is an arithmetic number, because the mean of its divisors is an integer number (106605156552).

Almost surely, 2^213210313103 is an apocalyptic number.

213210313103 is a deficient number, since it is larger than the sum of its proper divisors (1).

213210313103 is an equidigital number, since it uses as much as digits as its factorization.

213210313103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 213210313103 its reverse (301313012312), we get a palindrome (514523325415).

The spelling of 213210313103 in words is "two hundred thirteen billion, two hundred ten million, three hundred thirteen thousand, one hundred three".