211230322304 has 32 divisors (see below), whose sum is σ = 420996447300. Its totient is φ = 105568468992.

The previous prime is 211230322283. The next prime is 211230322313. The reversal of 211230322304 is 403223032112.

It can be written as a sum of positive squares in 2 ways, for example, as 154323265600 + 56907056704 = 392840^2 + 238552^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 211230322304.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73217 + ... + 654080.

Almost surely, 2^211230322304 is an apocalyptic number.

It is an amenable number.

211230322304 is a deficient number, since it is larger than the sum of its proper divisors (209766124996).

211230322304 is an equidigital number, since it uses as much as digits as its factorization.

211230322304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729580 (or 729568 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 211230322304 its reverse (403223032112), we get a palindrome (614453354416).

The spelling of 211230322304 in words is "two hundred eleven billion, two hundred thirty million, three hundred twenty-two thousand, three hundred four".