3063931667281 has 3 divisors (see below), whose sum is σ = 3063933417691. Its totient is φ = 3063929916872.

The previous prime is 3063931667267. The next prime is 3063931667311. The reversal of 3063931667281 is 1827661393603.

The square root of 3063931667281 is 1750409.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 52734988881 + 3011196678400 = 229641^2 + 1735280^2 .

It is not a de Polignac number, because 3063931667281 - 2⁵ = 3063931667249 is a prime.

It is a super-3 number, since 3×3063931667281³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3063931667261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 875205 + ... + 2625613.

Almost surely, 2^{3063931667281} is an apocalyptic number.

3063931667281 is the 1750409-th square number.

3063931667281 is the 875205-th centered octagonal number.

It is an amenable number.

3063931667281 is a deficient number, since it is larger than the sum of its proper divisors (1750410).

3063931667281 is an frugal number, since it uses more digits than its factorization.

3063931667281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3500818 (or 1750409 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 55.

The spelling of 3063931667281 in words is "three trillion, sixty-three billion, nine hundred thirty-one million, six hundred sixty-seven thousand, two hundred eighty-one".