211011430 has 32 divisors (see below), whose sum is σ = 452957184. Its totient is φ = 69200736.

The previous prime is 211011419. The next prime is 211011467. The reversal of 211011430 is 34110112.

It is a self number, because there is not a number n which added to its sum of digits gives 211011430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63922 + ... + 67141.

It is an arithmetic number, because the mean of its divisors is an integer number (14154912).

Almost surely, 2^211011430 is an apocalyptic number.

211011430 is an abundant number, since it is smaller than the sum of its proper divisors (241945754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211011430 is a wasteful number, since it uses less digits than its factorization.

211011430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131100.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 211011430 is about 14526.2324778313. The cubic root of 211011430 is about 595.3449309929.

Adding to 211011430 its reverse (34110112), we get a palindrome (245121542).

The spelling of 211011430 in words is "two hundred eleven million, eleven thousand, four hundred thirty".