213323230011 has 16 divisors (see below), whose sum is σ = 292303539200. Its totient is φ = 138284078688.

The previous prime is 213323229997. The next prime is 213323230013. The reversal of 213323230011 is 110032323312.

It is not a de Polignac number, because 213323230011 - 2¹³ = 213323221819 is a prime.

It is a super-2 number, since 2×213323230011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213323230011.

It is not an unprimeable number, because it can be changed into a prime (213323230013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 433291 + ... + 783828.

It is an arithmetic number, because the mean of its divisors is an integer number (18268971200).

Almost surely, 2^213323230011 is an apocalyptic number.

213323230011 is a deficient number, since it is larger than the sum of its proper divisors (78980309189).

213323230011 is a wasteful number, since it uses less digits than its factorization.

213323230011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218738.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 213323230011 its reverse (110032323312), we get a palindrome (323355553323).

The spelling of 213323230011 in words is "two hundred thirteen billion, three hundred twenty-three million, two hundred thirty thousand, eleven".