211433034344 has 64 divisors (see below), whose sum is σ = 455841302400. Its totient is φ = 90060595200.

The previous prime is 211433034313. The next prime is 211433034349. The reversal of 211433034344 is 443430334112.

It is a super-2 number, since 2×211433034344² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211433034344.

It is not an unprimeable number, because it can be changed into a prime (211433034349) 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, 24464264 + ... + 24472904.

It is an arithmetic number, because the mean of its divisors is an integer number (7122520350).

Almost surely, 2^211433034344 is an apocalyptic number.

It is an amenable number.

211433034344 is an abundant number, since it is smaller than the sum of its proper divisors (244408268056).

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

211433034344 is a wasteful number, since it uses less digits than its factorization.

211433034344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11274 (or 11270 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 211433034344 its reverse (443430334112), we get a palindrome (654863368456).

The spelling of 211433034344 in words is "two hundred eleven billion, four hundred thirty-three million, thirty-four thousand, three hundred forty-four".