213330021311 has 8 divisors (see below), whose sum is σ = 246413286864. Its totient is φ = 182528360320.

The previous prime is 213330021293. The next prime is 213330021313. The reversal of 213330021311 is 113120033312.

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

It is a cyclic number.

It is not a de Polignac number, because 213330021311 - 2¹⁰ = 213330020287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213330021313) 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, 570400940 + ... + 570401313.

It is an arithmetic number, because the mean of its divisors is an integer number (30801660858).

Almost surely, 2^213330021311 is an apocalyptic number.

213330021311 is a deficient number, since it is larger than the sum of its proper divisors (33083265553).

213330021311 is a wasteful number, since it uses less digits than its factorization.

213330021311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140802281.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 213330021311 its reverse (113120033312), we get a palindrome (326450054623).

The spelling of 213330021311 in words is "two hundred thirteen billion, three hundred thirty million, twenty-one thousand, three hundred eleven".