211313233344 has 56 divisors (see below), whose sum is σ = 560238542208. Its totient is φ = 70294255360.

The previous prime is 211313233343. The next prime is 211313233357. The reversal of 211313233344 is 443332313112.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211313233343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1026492 + ... + 1215035.

Almost surely, 2^211313233344 is an apocalyptic number.

211313233344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

211313233344 is an abundant number, since it is smaller than the sum of its proper divisors (348925308864).

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

211313233344 is a wasteful number, since it uses less digits than its factorization.

211313233344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2242033 (or 2242023 counting only the distinct ones).

The product of its digits is 15552, while the sum is 30.

Adding to 211313233344 its reverse (443332313112), we get a palindrome (654645546456).

The spelling of 211313233344 in words is "two hundred eleven billion, three hundred thirteen million, two hundred thirty-three thousand, three hundred forty-four".