16441031317 has 2 divisors, whose sum is σ = 16441031318. Its totient is φ = 16441031316.

The previous prime is 16441031251. The next prime is 16441031371. The reversal of 16441031317 is 71313014461.

It is a happy number.

Together with next prime (16441031371) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10780876561 + 5660154756 = 103831^2 + 75234^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16441031317 is a prime.

It is a super-3 number, since 3×16441031317³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16441031017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8220515658 + 8220515659.

It is an arithmetic number, because the mean of its divisors is an integer number (8220515659).

Almost surely, 2^16441031317 is an apocalyptic number.

It is an amenable number.

16441031317 is a deficient number, since it is larger than the sum of its proper divisors (1).

16441031317 is an equidigital number, since it uses as much as digits as its factorization.

16441031317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

Adding to 16441031317 its reverse (71313014461), we get a palindrome (87754045778).

The spelling of 16441031317 in words is "sixteen billion, four hundred forty-one million, thirty-one thousand, three hundred seventeen".