211300223230331 has 4 divisors (see below), whose sum is σ = 217011040074432. Its totient is φ = 205589406386232.

The previous prime is 211300223230267. The next prime is 211300223230337. The reversal of 211300223230331 is 133032322003112.

211300223230331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 211300223230331 - 2⁶ = 211300223230267 is a prime.

It is a super-2 number, since 2×211300223230331² (a number of 29 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 211300223230331.

It is not an unprimeable number, because it can be changed into a prime (211300223230337) 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, 2855408421995 + ... + 2855408422068.

It is an arithmetic number, because the mean of its divisors is an integer number (54252760018608).

Almost surely, 2^{211300223230331} is an apocalyptic number.

211300223230331 is a deficient number, since it is larger than the sum of its proper divisors (5710816844101).

211300223230331 is an equidigital number, since it uses as much as digits as its factorization.

211300223230331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5710816844100.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 211300223230331 its reverse (133032322003112), we get a palindrome (344332545233443).

The spelling of 211300223230331 in words is "two hundred eleven trillion, three hundred billion, two hundred twenty-three million, two hundred thirty thousand, three hundred thirty-one".