211031303029 has 2 divisors, whose sum is σ = 211031303030. Its totient is φ = 211031303028.

The previous prime is 211031303027. The next prime is 211031303111. The reversal of 211031303029 is 920303130112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 179348015025 + 31683288004 = 423495^2 + 177998^2 .

It is a cyclic number.

It is not a de Polignac number, because 211031303029 - 2¹ = 211031303027 is a prime.

Together with 211031303027, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 211031302994 and 211031303012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211031303027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105515651514 + 105515651515.

It is an arithmetic number, because the mean of its divisors is an integer number (105515651515).

Almost surely, 2^211031303029 is an apocalyptic number.

It is an amenable number.

211031303029 is a deficient number, since it is larger than the sum of its proper divisors (1).

211031303029 is an equidigital number, since it uses as much as digits as its factorization.

211031303029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 25.

The spelling of 211031303029 in words is "two hundred eleven billion, thirty-one million, three hundred three thousand, twenty-nine".