211310233230 has 64 divisors (see below), whose sum is σ = 508684691520. Its totient is φ = 56178422784.

The previous prime is 211310233229. The next prime is 211310233271. The reversal of 211310233230 is 32332013112.

It is a junction number, because it is equal to n+sod(n) for n = 211310233197 and 211310233206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33070876 + ... + 33077264.

It is an arithmetic number, because the mean of its divisors is an integer number (7948198305).

Almost surely, 2^211310233230 is an apocalyptic number.

211310233230 is an abundant number, since it is smaller than the sum of its proper divisors (297374458290).

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

211310233230 is a wasteful number, since it uses less digits than its factorization.

211310233230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9573.

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

Adding to 211310233230 its reverse (32332013112), we get a palindrome (243642246342).

The spelling of 211310233230 in words is "two hundred eleven billion, three hundred ten million, two hundred thirty-three thousand, two hundred thirty".