211313212330 has 64 divisors (see below), whose sum is σ = 422496207360. Its totient is φ = 75445518400.

The previous prime is 211313212283. The next prime is 211313212343. The reversal of 211313212330 is 33212313112.

211313212330 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5347545 + ... + 5386915.

It is an arithmetic number, because the mean of its divisors is an integer number (6601503240).

Almost surely, 2^211313212330 is an apocalyptic number.

211313212330 is a deficient number, since it is larger than the sum of its proper divisors (211182995030).

211313212330 is a wasteful number, since it uses less digits than its factorization.

211313212330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40275.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 211313212330 its reverse (33212313112), we get a palindrome (244525525442).

The spelling of 211313212330 in words is "two hundred eleven billion, three hundred thirteen million, two hundred twelve thousand, three hundred thirty".