213443403203 has 2 divisors, whose sum is σ = 213443403204. Its totient is φ = 213443403202.

The previous prime is 213443403193. The next prime is 213443403319. The reversal of 213443403203 is 302304344312.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213443403203 is a prime.

It is not a weakly prime, because it can be changed into another prime (213443408203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106721701601 + 106721701602.

It is an arithmetic number, because the mean of its divisors is an integer number (106721701602).

Almost surely, 2^213443403203 is an apocalyptic number.

213443403203 is a deficient number, since it is larger than the sum of its proper divisors (1).

213443403203 is an equidigital number, since it uses as much as digits as its factorization.

213443403203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 213443403203 its reverse (302304344312), we get a palindrome (515747747515).

The spelling of 213443403203 in words is "two hundred thirteen billion, four hundred forty-three million, four hundred three thousand, two hundred three".