11031247 has 2 divisors, whose sum is σ = 11031248. Its totient is φ = 11031246.

The previous prime is 11031239. The next prime is 11031253. The reversal of 11031247 is 74213011.

11031247 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 an emirp because it is prime and its reverse (74213011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11031247 - 2³ = 11031239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11031047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5515623 + 5515624.

It is an arithmetic number, because the mean of its divisors is an integer number (5515624).

Almost surely, 2^11031247 is an apocalyptic number.

11031247 is a deficient number, since it is larger than the sum of its proper divisors (1).

11031247 is an equidigital number, since it uses as much as digits as its factorization.

11031247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 11031247 is about 3321.3321122706. The cubic root of 11031247 is about 222.6083939308.

Adding to 11031247 its reverse (74213011), we get a palindrome (85244258).

The spelling of 11031247 in words is "eleven million, thirty-one thousand, two hundred forty-seven".