10068316281 has 15 divisors (see below), whose sum is σ = 15041673471. Its totient is φ = 6711608808.

The previous prime is 10068316253. The next prime is 10068316301. The reversal of 10068316281 is 18261386001.

The square root of 10068316281 is 100341.

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

10068316281 is a `hidden beast` number, since 1 + 0 + 0 + 68 + 316 + 281 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3062626281 + 7005690000 = 55341^2 + 83700^2 .

It is not a de Polignac number, because 10068316281 - 2¹¹ = 10068314233 is a prime.

It is a super-2 number, since 2×10068316281² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10068316381) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 897495 + ... + 908643.

Almost surely, 2^10068316281 is an apocalyptic number.

10068316281 is the 100341-st square number.

10068316281 is the 50171-st centered octagonal number.

It is an amenable number.

10068316281 is a deficient number, since it is larger than the sum of its proper divisors (4973357190).

10068316281 is an frugal number, since it uses more digits than its factorization.

10068316281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22310 (or 11152 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

Multiplying 10068316281 by its sum of digits (36), we get a square (362459386116 = 602046²).

It can be divided in two parts, 100683 and 16281, that added together give a square (116964 = 342²).

The spelling of 10068316281 in words is "ten billion, sixty-eight million, three hundred sixteen thousand, two hundred eighty-one".