213133023133 has 8 divisors (see below), whose sum is σ = 213309142200. Its totient is φ = 212956981248.

The previous prime is 213133023113. The next prime is 213133023137. The reversal of 213133023133 is 331320331312.

It can be written as a sum of positive squares in 4 ways, for example, as 129428696644 + 83704326489 = 359762^2 + 289317^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213133023133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213133023098 and 213133023107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213133023137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6339913 + ... + 6373441.

It is an arithmetic number, because the mean of its divisors is an integer number (26663642775).

Almost surely, 2^213133023133 is an apocalyptic number.

It is an amenable number.

213133023133 is a deficient number, since it is larger than the sum of its proper divisors (176119067).

213133023133 is a wasteful number, since it uses less digits than its factorization.

213133023133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38591.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 213133023133 its reverse (331320331312), we get a palindrome (544453354445).

The spelling of 213133023133 in words is "two hundred thirteen billion, one hundred thirty-three million, twenty-three thousand, one hundred thirty-three".