938130211 has 2 divisors, whose sum is σ = 938130212. Its totient is φ = 938130210.

The previous prime is 938130203. The next prime is 938130217. The reversal of 938130211 is 112031839.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 938130211 - 2³ = 938130203 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 938130211.

It is not a weakly prime, because it can be changed into another prime (938130217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 469065105 + 469065106.

It is an arithmetic number, because the mean of its divisors is an integer number (469065106).

Almost surely, 2^938130211 is an apocalyptic number.

938130211 is a deficient number, since it is larger than the sum of its proper divisors (1).

938130211 is an equidigital number, since it uses as much as digits as its factorization.

938130211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 938130211 is about 30628.9113583882. The cubic root of 938130211 is about 978.9361671830.

The spelling of 938130211 in words is "nine hundred thirty-eight million, one hundred thirty thousand, two hundred eleven".