3217870111481 has 2 divisors, whose sum is σ = 3217870111482. Its totient is φ = 3217870111480.

The previous prime is 3217870111453. The next prime is 3217870111613. The reversal of 3217870111481 is 1841110787123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2497951801081 + 719918310400 = 1580491^2 + 848480^2 .

It is a cyclic number.

It is not a de Polignac number, because 3217870111481 - 2¹⁰ = 3217870110457 is a prime.

It is a super-2 number, since 2×3217870111481² (a number of 26 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3217870111681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1608935055740 + 1608935055741.

It is an arithmetic number, because the mean of its divisors is an integer number (1608935055741).

Almost surely, 2^{3217870111481} is an apocalyptic number.

It is an amenable number.

3217870111481 is a deficient number, since it is larger than the sum of its proper divisors (1).

3217870111481 is an equidigital number, since it uses as much as digits as its factorization.

3217870111481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75264, while the sum is 44.

The spelling of 3217870111481 in words is "three trillion, two hundred seventeen billion, eight hundred seventy million, one hundred eleven thousand, four hundred eighty-one".