211000312 has 32 divisors (see below), whose sum is σ = 408901680. Its totient is φ = 102009600.

The previous prime is 211000247. The next prime is 211000313. The reversal of 211000312 is 213000112.

It is a super-2 number, since 2×211000312² = 89042263328194688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211000313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31708 + ... + 37780.

Almost surely, 2^211000312 is an apocalyptic number.

It is an amenable number.

211000312 is a deficient number, since it is larger than the sum of its proper divisors (197901368).

211000312 is a wasteful number, since it uses less digits than its factorization.

211000312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6223 (or 6219 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 211000312 is about 14525.8497858129. The cubic root of 211000312 is about 595.3344747486.

Adding to 211000312 its reverse (213000112), we get a palindrome (424000424).

The spelling of 211000312 in words is "two hundred eleven million, three hundred twelve", and thus it is an aban number.