213133023103 has 48 divisors (see below), whose sum is σ = 290171398720. Its totient is φ = 152324789760.

The previous prime is 213133023043. The next prime is 213133023107. The reversal of 213133023103 is 301320331312.

It is not a de Polignac number, because 213133023103 - 2³⁷ = 75694069631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213133023107) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1667083 + ... + 1790371.

Almost surely, 2^213133023103 is an apocalyptic number.

213133023103 is a deficient number, since it is larger than the sum of its proper divisors (77038375617).

213133023103 is a wasteful number, since it uses less digits than its factorization.

213133023103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123488 (or 123477 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 213133023103 its reverse (301320331312), we get a palindrome (514453354415).

The spelling of 213133023103 in words is "two hundred thirteen billion, one hundred thirty-three million, twenty-three thousand, one hundred three".