211313203230 has 32 divisors (see below), whose sum is σ = 511145017344. Its totient is φ = 55906484256.

The previous prime is 211313203219. The next prime is 211313203267. The reversal of 211313203230 is 32302313112.

211313203230 is digitally balanced in base 3 and base 7, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 211313203197 and 211313203206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27727582 + ... + 27735201.

It is an arithmetic number, because the mean of its divisors is an integer number (15973281792).

Almost surely, 2^211313203230 is an apocalyptic number.

211313203230 is an abundant number, since it is smaller than the sum of its proper divisors (299831814114).

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

211313203230 is a wasteful number, since it uses less digits than its factorization.

211313203230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55462920.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 211313203230 its reverse (32302313112), we get a palindrome (243615516342).

The spelling of 211313203230 in words is "two hundred eleven billion, three hundred thirteen million, two hundred three thousand, two hundred thirty".