213000332311 has 4 divisors (see below), whose sum is σ = 229384973272. Its totient is φ = 196615691352.

The previous prime is 213000332297. The next prime is 213000332323. The reversal of 213000332311 is 113233000312.

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

It is a cyclic number.

It is not a de Polignac number, because 213000332311 - 2²⁵ = 212966777879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213000332341) 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, 8192320461 + ... + 8192320486.

It is an arithmetic number, because the mean of its divisors is an integer number (57346243318).

Almost surely, 2^213000332311 is an apocalyptic number.

213000332311 is a deficient number, since it is larger than the sum of its proper divisors (16384640961).

213000332311 is a wasteful number, since it uses less digits than its factorization.

213000332311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16384640960.

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

Adding to 213000332311 its reverse (113233000312), we get a palindrome (326233332623).

The spelling of 213000332311 in words is "two hundred thirteen billion, three hundred thirty-two thousand, three hundred eleven".