211311213210230 has 32 divisors (see below), whose sum is σ = 434723654341440. Its totient is φ = 72445175239680.

The previous prime is 211311213210211. The next prime is 211311213210263. The reversal of 211311213210230 is 32012312113112.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 211311213210196 and 211311213210205.

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, 90159191 + ... + 92473250.

It is an arithmetic number, because the mean of its divisors is an integer number (13585114198170).

Almost surely, 2^{211311213210230} is an apocalyptic number.

211311213210230 is an abundant number, since it is smaller than the sum of its proper divisors (223412441131210).

211311213210230 is a wasteful number, since it uses less digits than its factorization.

211311213210230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182648984.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 211311213210230 its reverse (32012312113112), we get a palindrome (243323525323342).

The spelling of 211311213210230 in words is "two hundred eleven trillion, three hundred eleven billion, two hundred thirteen million, two hundred ten thousand, two hundred thirty".