211032230113 has 4 divisors (see below), whose sum is σ = 211558495428. Its totient is φ = 210505964800.

The previous prime is 211032230099. The next prime is 211032230147. The reversal of 211032230113 is 311032230112.

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

It can be written as a sum of positive squares in 2 ways, for example, as 178600902544 + 32431327569 = 422612^2 + 180087^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211032230113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211032230153) 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, 263132056 + ... + 263132857.

It is an arithmetic number, because the mean of its divisors is an integer number (52889623857).

Almost surely, 2^211032230113 is an apocalyptic number.

It is an amenable number.

211032230113 is a deficient number, since it is larger than the sum of its proper divisors (526265315).

211032230113 is an equidigital number, since it uses as much as digits as its factorization.

211032230113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526265314.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 211032230113 its reverse (311032230112), we get a palindrome (522064460225).

Subtracting 211032230113 from its reverse (311032230112), we obtain a palindrome (99999999999).

The spelling of 211032230113 in words is "two hundred eleven billion, thirty-two million, two hundred thirty thousand, one hundred thirteen".