211311043430 has 8 divisors (see below), whose sum is σ = 380359878192. Its totient is φ = 84524417368.

The previous prime is 211311043379. The next prime is 211311043481. The reversal of 211311043430 is 34340113112.

211311043430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (211311043379) and next prime (211311043481).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 211311043396 and 211311043405.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 10565552162 + ... + 10565552181.

It is an arithmetic number, because the mean of its divisors is an integer number (47544984774).

Almost surely, 2^211311043430 is an apocalyptic number.

211311043430 is a deficient number, since it is larger than the sum of its proper divisors (169048834762).

211311043430 is a wasteful number, since it uses less digits than its factorization.

211311043430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21131104350.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 211311043430 its reverse (34340113112), we get a palindrome (245651156542).

The spelling of 211311043430 in words is "two hundred eleven billion, three hundred eleven million, forty-three thousand, four hundred thirty".