211434241330 has 64 divisors (see below), whose sum is σ = 414122593248. Its totient is φ = 77256345600.

The previous prime is 211434241327. The next prime is 211434241339. The reversal of 211434241330 is 33142434112.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 4273629129 + 207160612201 = 65373^2 + 455149^2 .

It is not an unprimeable number, because it can be changed into a prime (211434241339) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47436462 + ... + 47440918.

Almost surely, 2^211434241330 is an apocalyptic number.

211434241330 is a deficient number, since it is larger than the sum of its proper divisors (202688351918).

211434241330 is a wasteful number, since it uses less digits than its factorization.

211434241330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8191.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 211434241330 its reverse (33142434112), we get a palindrome (244576675442).

The spelling of 211434241330 in words is "two hundred eleven billion, four hundred thirty-four million, two hundred forty-one thousand, three hundred thirty".