213204242003 has 2 divisors, whose sum is σ = 213204242004. Its totient is φ = 213204242002.

The previous prime is 213204241979. The next prime is 213204242033. The reversal of 213204242003 is 300242402312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213204242003 - 2¹⁶ = 213204176467 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213204242003.

It is not a weakly prime, because it can be changed into another prime (213204242033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106602121001 + 106602121002.

It is an arithmetic number, because the mean of its divisors is an integer number (106602121002).

Almost surely, 2^213204242003 is an apocalyptic number.

213204242003 is a deficient number, since it is larger than the sum of its proper divisors (1).

213204242003 is an equidigital number, since it uses as much as digits as its factorization.

213204242003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 213204242003 its reverse (300242402312), we get a palindrome (513446644315).

The spelling of 213204242003 in words is "two hundred thirteen billion, two hundred four million, two hundred forty-two thousand, three".