211335244330 has 24 divisors (see below), whose sum is σ = 442510124868. Its totient is φ = 72457797888.

The previous prime is 211335244321. The next prime is 211335244361. The reversal of 211335244330 is 33442533112.

It is a happy number.

211335244330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 208870022529 + 2465221801 = 457023^2 + 49651^2 .

It is a junction number, because it is equal to n+sod(n) for n = 211335244292 and 211335244301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 215647719 + ... + 215648698.

Almost surely, 2^211335244330 is an apocalyptic number.

211335244330 is an abundant number, since it is smaller than the sum of its proper divisors (231174880538).

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

211335244330 is a wasteful number, since it uses less digits than its factorization.

211335244330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431296438 (or 431296431 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 211335244330 its reverse (33442533112), we get a palindrome (244777777442).

The spelling of 211335244330 in words is "two hundred eleven billion, three hundred thirty-five million, two hundred forty-four thousand, three hundred thirty".