11531017 has 2 divisors, whose sum is σ = 11531018. Its totient is φ = 11531016.

The previous prime is 11531011. The next prime is 11531021. The reversal of 11531017 is 71013511.

11531017 is digitally balanced in base 3, 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., 11431161 + 99856 = 3381^2 + 316^2 .

It is a cyclic number.

It is not a de Polignac number, because 11531017 - 2¹¹ = 11528969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11530985 and 11531003.

It is not a weakly prime, because it can be changed into another prime (11531011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5765508 + 5765509.

It is an arithmetic number, because the mean of its divisors is an integer number (5765509).

Almost surely, 2^11531017 is an apocalyptic number.

It is an amenable number.

11531017 is a deficient number, since it is larger than the sum of its proper divisors (1).

11531017 is an equidigital number, since it uses as much as digits as its factorization.

11531017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105, while the sum is 19.

The square root of 11531017 is about 3395.7351192341. The cubic root of 11531017 is about 225.9206197841.

Adding to 11531017 its reverse (71013511), we get a palindrome (82544528).

The spelling of 11531017 in words is "eleven million, five hundred thirty-one thousand, seventeen".