211330302030 has 48 divisors (see below), whose sum is σ = 549507342384. Its totient is φ = 56349767040.

The previous prime is 211330301999. The next prime is 211330302049. The reversal of 211330302030 is 30203033112.

211330302030 is a `hidden beast` number, since 2 + 1 + 1 + 330 + 302 + 0 + 30 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 211330301994 and 211330302012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 983242 + ... + 1178738.

It is an arithmetic number, because the mean of its divisors is an integer number (11448069633).

Almost surely, 2^211330302030 is an apocalyptic number.

211330302030 is an abundant number, since it is smaller than the sum of its proper divisors (338177040354).

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

211330302030 is a wasteful number, since it uses less digits than its factorization.

211330302030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207521 (or 207518 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 211330302030 its reverse (30203033112), we get a palindrome (241533335142).

The spelling of 211330302030 in words is "two hundred eleven billion, three hundred thirty million, three hundred two thousand, thirty".