213103120033 has 4 divisors (see below), whose sum is σ = 225638597700. Its totient is φ = 200567642368.

The previous prime is 213103120003. The next prime is 213103120103. The reversal of 213103120033 is 330021301312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 59025674304 + 154077445729 = 242952^2 + 392527^2 .

It is a cyclic number.

It is not a de Polignac number, because 213103120033 - 2¹³ = 213103111841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213103120003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6267738808 + ... + 6267738841.

It is an arithmetic number, because the mean of its divisors is an integer number (56409649425).

Almost surely, 2^213103120033 is an apocalyptic number.

It is an amenable number.

213103120033 is a deficient number, since it is larger than the sum of its proper divisors (12535477667).

213103120033 is a wasteful number, since it uses less digits than its factorization.

213103120033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12535477666.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 213103120033 its reverse (330021301312), we get a palindrome (543124421345).

The spelling of 213103120033 in words is "two hundred thirteen billion, one hundred three million, one hundred twenty thousand, thirty-three".