11031869 has 2 divisors, whose sum is σ = 11031870. Its totient is φ = 11031868.

The previous prime is 11031859. The next prime is 11031871. The reversal of 11031869 is 96813011.

It is a happy number.

11031869 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 can be written as a sum of positive squares in only one way, i.e., 8352100 + 2679769 = 2890^2 + 1637^2 .

It is a cyclic number.

It is not a de Polignac number, because 11031869 - 2¹² = 11027773 is a prime.

It is a super-2 number, since 2×11031869² = 243404267266322, which contains 22 as substring.

Together with 11031871, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11031859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5515934 + 5515935.

It is an arithmetic number, because the mean of its divisors is an integer number (5515935).

Almost surely, 2^11031869 is an apocalyptic number.

It is an amenable number.

11031869 is a deficient number, since it is larger than the sum of its proper divisors (1).

11031869 is an equidigital number, since it uses as much as digits as its factorization.

11031869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 11031869 is about 3321.4257480787. The cubic root of 11031869 is about 222.6125777980.

The spelling of 11031869 in words is "eleven million, thirty-one thousand, eight hundred sixty-nine".