211313034444 has 24 divisors (see below), whose sum is σ = 493077442480. Its totient is φ = 70435721664.

The previous prime is 211313034437. The next prime is 211313034463. The reversal of 211313034444 is 444430313112.

It is a super-2 number, since 2×211313034444² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244602 + ... + 694590.

Almost surely, 2^211313034444 is an apocalyptic number.

It is an amenable number.

211313034444 is an abundant number, since it is smaller than the sum of its proper divisors (281764408036).

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

211313034444 is a wasteful number, since it uses less digits than its factorization.

211313034444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489129 (or 489127 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 211313034444 its reverse (444430313112), we get a palindrome (655743347556).

The spelling of 211313034444 in words is "two hundred eleven billion, three hundred thirteen million, thirty-four thousand, four hundred forty-four".