11441531317 has 2 divisors, whose sum is σ = 11441531318. Its totient is φ = 11441531316.

The previous prime is 11441531273. The next prime is 11441531329. The reversal of 11441531317 is 71313514411.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7969847076 + 3471684241 = 89274^2 + 58921^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11441531317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11441531377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5720765658 + 5720765659.

It is an arithmetic number, because the mean of its divisors is an integer number (5720765659).

Almost surely, 2^11441531317 is an apocalyptic number.

It is an amenable number.

11441531317 is a deficient number, since it is larger than the sum of its proper divisors (1).

11441531317 is an equidigital number, since it uses as much as digits as its factorization.

11441531317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 31.

The spelling of 11441531317 in words is "eleven billion, four hundred forty-one million, five hundred thirty-one thousand, three hundred seventeen".