211313030933 has 2 divisors, whose sum is σ = 211313030934. Its totient is φ = 211313030932.

The previous prime is 211313030921. The next prime is 211313030939. The reversal of 211313030933 is 339030313112.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 172339559044 + 38973471889 = 415138^2 + 197417^2 .

It is a cyclic number.

It is not a de Polignac number, because 211313030933 - 2¹⁸ = 211312768789 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211313030896 and 211313030905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211313030939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105656515466 + 105656515467.

It is an arithmetic number, because the mean of its divisors is an integer number (105656515467).

Almost surely, 2^211313030933 is an apocalyptic number.

It is an amenable number.

211313030933 is a deficient number, since it is larger than the sum of its proper divisors (1).

211313030933 is an equidigital number, since it uses as much as digits as its factorization.

211313030933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4374, while the sum is 29.

The spelling of 211313030933 in words is "two hundred eleven billion, three hundred thirteen million, thirty thousand, nine hundred thirty-three".