213303121133 has 8 divisors (see below), whose sum is σ = 220190516736. Its totient is φ = 206416141200.

The previous prime is 213303121093. The next prime is 213303121169. The reversal of 213303121133 is 331121303312.

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

It is not a de Polignac number, because 213303121133 - 2²² = 213298926829 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 213303121099 and 213303121108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213303121333) 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, 1198088 + ... + 1364558.

It is an arithmetic number, because the mean of its divisors is an integer number (27523814592).

Almost surely, 2^213303121133 is an apocalyptic number.

It is an amenable number.

213303121133 is a deficient number, since it is larger than the sum of its proper divisors (6887395603).

213303121133 is a wasteful number, since it uses less digits than its factorization.

213303121133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207835.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 213303121133 its reverse (331121303312), we get a palindrome (544424424445).

The spelling of 213303121133 in words is "two hundred thirteen billion, three hundred three million, one hundred twenty-one thousand, one hundred thirty-three".