316081711443969 has 9 divisors (see below), whose sum is σ = 456562549126723. Its totient is φ = 210721105405272.

The previous prime is 316081711443947. The next prime is 316081711444027. The reversal of 316081711443969 is 969344117180613.

The square root of 316081711443969 is 17778687.

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

316081711443969 is a `hidden beast` number, since 3 + 1 + 6 + 0 + 81 + 7 + 114 + 439 + 6 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 39304586419569 + 276777125024400 = 6269337^2 + 16636620^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 316081711443969 - 2¹⁷ = 316081711312897 is a prime.

It is a super-2 number, since 2×316081711443969² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (316081711443269) 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 in 8 ways as a sum of consecutive naturals, for example, 50372947 + ... + 56299175.

Almost surely, 2^{316081711443969} is an apocalyptic number.

316081711443969 is the 17778687-th square number.

316081711443969 is the 8889344-th centered octagonal number.

It is an amenable number.

316081711443969 is a deficient number, since it is larger than the sum of its proper divisors (140480837682754).

316081711443969 is an frugal number, since it uses more digits than its factorization.

316081711443969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11852464 (or 5926232 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 63.

The spelling of 316081711443969 in words is "three hundred sixteen trillion, eighty-one billion, seven hundred eleven million, four hundred forty-three thousand, nine hundred sixty-nine".