211031034212 has 6 divisors (see below), whose sum is σ = 369304309878. Its totient is φ = 105515517104.

The previous prime is 211031034209. The next prime is 211031034251. The reversal of 211031034212 is 212430130112.

It can be written as a sum of positive squares in only one way, i.e., 108000305956 + 103030728256 = 328634^2 + 320984^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26378879273 + ... + 26378879280.

It is an arithmetic number, because the mean of its divisors is an integer number (61550718313).

Almost surely, 2^211031034212 is an apocalyptic number.

It is an amenable number.

211031034212 is a deficient number, since it is larger than the sum of its proper divisors (158273275666).

211031034212 is a wasteful number, since it uses less digits than its factorization.

211031034212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52757758557 (or 52757758555 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 211031034212 its reverse (212430130112), we get a palindrome (423461164324).

The spelling of 211031034212 in words is "two hundred eleven billion, thirty-one million, thirty-four thousand, two hundred twelve".