211351312 has 10 divisors (see below), whose sum is σ = 409493198. Its totient is φ = 105675648.

The previous prime is 211351303. The next prime is 211351319. The reversal of 211351312 is 213153112.

It can be written as a sum of positive squares in only one way, i.e., 125529616 + 85821696 = 11204^2 + 9264^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 211351312.

It is not an unprimeable number, because it can be changed into a prime (211351319) by changing a digit.

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 as a sum of consecutive naturals, namely, 6604713 + ... + 6604744.

Almost surely, 2^211351312 is an apocalyptic number.

It is an amenable number.

211351312 is a deficient number, since it is larger than the sum of its proper divisors (198141886).

211351312 is a wasteful number, since it uses less digits than its factorization.

211351312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13209465 (or 13209459 counting only the distinct ones).

The product of its digits is 180, while the sum is 19.

The square root of 211351312 is about 14537.9266747360. The cubic root of 211351312 is about 595.6644057578.

The spelling of 211351312 in words is "two hundred eleven million, three hundred fifty-one thousand, three hundred twelve".