211231010 has 16 divisors (see below), whose sum is σ = 380457216. Its totient is φ = 84438768.

The previous prime is 211230997. The next prime is 211231049. The reversal of 211231010 is 10132112.

It is a junction number, because it is equal to n+sod(n) for n = 211230982 and 211231000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12437 + ... + 24023.

It is an arithmetic number, because the mean of its divisors is an integer number (23778576).

Almost surely, 2^211231010 is an apocalyptic number.

211231010 is a deficient number, since it is larger than the sum of its proper divisors (169226206).

211231010 is a wasteful number, since it uses less digits than its factorization.

211231010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13417.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 211231010 is about 14533.7885632068. The cubic root of 211231010 is about 595.5513661315.

Adding to 211231010 its reverse (10132112), we get a palindrome (221363122).

The spelling of 211231010 in words is "two hundred eleven million, two hundred thirty-one thousand, ten".