211315030033 has 2 divisors, whose sum is σ = 211315030034. Its totient is φ = 211315030032.

The previous prime is 211315030021. The next prime is 211315030049. The reversal of 211315030033 is 330030513112.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 151097796369 + 60217233664 = 388713^2 + 245392^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211315030033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211315029986 and 211315030013.

It is not a weakly prime, because it can be changed into another prime (211315030733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105657515016 + 105657515017.

It is an arithmetic number, because the mean of its divisors is an integer number (105657515017).

Almost surely, 2^211315030033 is an apocalyptic number.

It is an amenable number.

211315030033 is a deficient number, since it is larger than the sum of its proper divisors (1).

211315030033 is an equidigital number, since it uses as much as digits as its factorization.

211315030033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 22.

Adding to 211315030033 its reverse (330030513112), we get a palindrome (541345543145).

The spelling of 211315030033 in words is "two hundred eleven billion, three hundred fifteen million, thirty thousand, thirty-three".