20113031230211 has 8 divisors (see below), whose sum is σ = 20493401909040. Its totient is φ = 19732693126432.

The previous prime is 20113031230199. The next prime is 20113031230339. The reversal of 20113031230211 is 11203213031102.

It is a happy number.

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 20113031230211 - 2¹⁴ = 20113031213827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20113031230111) 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, 6895421 + ... + 9368718.

It is an arithmetic number, because the mean of its divisors is an integer number (2561675238630).

Almost surely, 2^{20113031230211} is an apocalyptic number.

20113031230211 is a deficient number, since it is larger than the sum of its proper divisors (380370678829).

20113031230211 is a wasteful number, since it uses less digits than its factorization.

20113031230211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16287525.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 20113031230211 its reverse (11203213031102), we get a palindrome (31316244261313).

The spelling of 20113031230211 in words is "twenty trillion, one hundred thirteen billion, thirty-one million, two hundred thirty thousand, two hundred eleven".