211230332 has 12 divisors (see below), whose sum is σ = 369852000. Its totient is φ = 105558336.

The previous prime is 211230329. The next prime is 211230343. The reversal of 211230332 is 233032112.

It is a self number, because there is not a number n which added to its sum of digits gives 211230332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5213 + ... + 21204.

It is an arithmetic number, because the mean of its divisors is an integer number (30821000).

Almost surely, 2^211230332 is an apocalyptic number.

It is an amenable number.

211230332 is a deficient number, since it is larger than the sum of its proper divisors (158621668).

211230332 is a wasteful number, since it uses less digits than its factorization.

211230332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28420 (or 28418 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 211230332 is about 14533.7652382306. The cubic root of 211230332 is about 595.5507289393.

Adding to 211230332 its reverse (233032112), we get a palindrome (444262444).

The spelling of 211230332 in words is "two hundred eleven million, two hundred thirty thousand, three hundred thirty-two".