211320310230 has 24 divisors (see below), whose sum is σ = 549432806832. Its totient is φ = 56352082704.

The previous prime is 211320310189. The next prime is 211320310237. The reversal of 211320310230 is 32013023112.

211320310230 is a `hidden beast` number, since 2 + 1 + 1 + 320 + 310 + 2 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211320310237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1174001634 + ... + 1174001813.

It is an arithmetic number, because the mean of its divisors is an integer number (22893033618).

Almost surely, 2^211320310230 is an apocalyptic number.

211320310230 is an abundant number, since it is smaller than the sum of its proper divisors (338112496602).

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

211320310230 is a wasteful number, since it uses less digits than its factorization.

211320310230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2348003460 (or 2348003457 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 211320310230 its reverse (32013023112), we get a palindrome (243333333342).

The spelling of 211320310230 in words is "two hundred eleven billion, three hundred twenty million, three hundred ten thousand, two hundred thirty".