212311153 has 2 divisors, whose sum is σ = 212311154. Its totient is φ = 212311152.

The previous prime is 212311139. The next prime is 212311159. The reversal of 212311153 is 351113212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 184769649 + 27541504 = 13593^2 + 5248^2 .

It is a cyclic number.

It is not a de Polignac number, because 212311153 - 2⁹ = 212310641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212311153.

It is not a weakly prime, because it can be changed into another prime (212311159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106155576 + 106155577.

It is an arithmetic number, because the mean of its divisors is an integer number (106155577).

Almost surely, 2^212311153 is an apocalyptic number.

It is an amenable number.

212311153 is a deficient number, since it is larger than the sum of its proper divisors (1).

212311153 is an equidigital number, since it uses as much as digits as its factorization.

212311153 is an odious number, because the sum of its binary digits is odd.

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

The square root of 212311153 is about 14570.9008987090. The cubic root of 212311153 is about 596.5647704582.

Adding to 212311153 its reverse (351113212), we get a palindrome (563424365).

The spelling of 212311153 in words is "two hundred twelve million, three hundred eleven thousand, one hundred fifty-three".