211230012331 has 8 divisors (see below), whose sum is σ = 240859561824. Its totient is φ = 183512046720.

The previous prime is 211230012293. The next prime is 211230012353. The reversal of 211230012331 is 133210032112.

211230012331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 211230012331 - 2¹¹ = 211230010283 is a prime.

It is a super-4 number, since 4×211230012331⁴ (a number of 46 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211230012299 and 211230012308.

It is not an unprimeable number, because it can be changed into a prime (211230012431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477895735 + ... + 477896176.

It is an arithmetic number, because the mean of its divisors is an integer number (30107445228).

Almost surely, 2^211230012331 is an apocalyptic number.

211230012331 is a deficient number, since it is larger than the sum of its proper divisors (29629549493).

211230012331 is a wasteful number, since it uses less digits than its factorization.

211230012331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955791941.

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

Adding to 211230012331 its reverse (133210032112), we get a palindrome (344440044443).

The spelling of 211230012331 in words is "two hundred eleven billion, two hundred thirty million, twelve thousand, three hundred thirty-one".