211123230030311 has 8 divisors (see below), whose sum is σ = 211514997389184. Its totient is φ = 210731483846520.

The previous prime is 211123230030233. The next prime is 211123230030341. The reversal of 211123230030311 is 113030032321112.

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 211123230030311 - 2¹⁰ = 211123230029287 is a prime.

It is a super-2 number, since 2×211123230030311² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211123230030341) 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, 14735696 + ... + 25286106.

It is an arithmetic number, because the mean of its divisors is an integer number (26439374673648).

Almost surely, 2^{211123230030311} is an apocalyptic number.

211123230030311 is a deficient number, since it is larger than the sum of its proper divisors (391767358873).

211123230030311 is a wasteful number, since it uses less digits than its factorization.

211123230030311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10587541.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 211123230030311 its reverse (113030032321112), we get a palindrome (324153262351423).

The spelling of 211123230030311 in words is "two hundred eleven trillion, one hundred twenty-three billion, two hundred thirty million, thirty thousand, three hundred eleven".