11012031271 has 2 divisors, whose sum is σ = 11012031272. Its totient is φ = 11012031270.

The previous prime is 11012031187. The next prime is 11012031377. The reversal of 11012031271 is 17213021011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11012031271 - 2⁹ = 11012030759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11012031671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5506015635 + 5506015636.

It is an arithmetic number, because the mean of its divisors is an integer number (5506015636).

Almost surely, 2^11012031271 is an apocalyptic number.

11012031271 is a deficient number, since it is larger than the sum of its proper divisors (1).

11012031271 is an equidigital number, since it uses as much as digits as its factorization.

11012031271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 19.

Adding to 11012031271 its reverse (17213021011), we get a palindrome (28225052282).

The spelling of 11012031271 in words is "eleven billion, twelve million, thirty-one thousand, two hundred seventy-one".