211031027 has 2 divisors, whose sum is σ = 211031028. Its totient is φ = 211031026.

The previous prime is 211030951. The next prime is 211031033. The reversal of 211031027 is 720130112.

211031027 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211031027 - 2¹² = 211026931 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 211030996 and 211031014.

It is not a weakly prime, because it can be changed into another prime (211031077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105515513 + 105515514.

It is an arithmetic number, because the mean of its divisors is an integer number (105515514).

Almost surely, 2^211031027 is an apocalyptic number.

211031027 is a deficient number, since it is larger than the sum of its proper divisors (1).

211031027 is an equidigital number, since it uses as much as digits as its factorization.

211031027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 211031027 is about 14526.9070004595. The cubic root of 211031027 is about 595.3633606636.

Adding to 211031027 its reverse (720130112), we get a palindrome (931161139).

The spelling of 211031027 in words is "two hundred eleven million, thirty-one thousand, twenty-seven".