211113430 has 32 divisors (see below), whose sum is σ = 415715328. Its totient is φ = 76552800.

The previous prime is 211113407. The next prime is 211113437. The reversal of 211113430 is 34311112.

211113430 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211113437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39625 + ... + 44635.

It is an arithmetic number, because the mean of its divisors is an integer number (12991104).

Almost surely, 2^211113430 is an apocalyptic number.

211113430 is a deficient number, since it is larger than the sum of its proper divisors (204601898).

211113430 is a wasteful number, since it uses less digits than its factorization.

211113430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5412.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 211113430 is about 14529.7429433559. The cubic root of 211113430 is about 595.4408427026.

Adding to 211113430 its reverse (34311112), we get a palindrome (245424542).

The spelling of 211113430 in words is "two hundred eleven million, one hundred thirteen thousand, four hundred thirty".