316191411481 has 81 divisors (see below), whose sum is σ = 385463054781. Its totient is φ = 259111987200.

The previous prime is 316191411461. The next prime is 316191411493. The reversal of 316191411481 is 184114191613.

The square root of 316191411481 is 562309.

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

It can be written as a sum of positive squares in 4 ways, for example, as 18512051481 + 297679360000 = 136059^2 + 545600^2 .

It is not a de Polignac number, because 316191411481 - 2¹⁹ = 316190887193 is a prime.

It is a super-2 number, since 2×316191411481² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (316191411401) 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 80 ways as a sum of consecutive naturals, for example, 3259705225 + ... + 3259705321.

Almost surely, 2^316191411481 is an apocalyptic number.

316191411481 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

316191411481 is the 562309-th square number.

316191411481 is the 281155-th centered octagonal number.

It is an amenable number.

316191411481 is a deficient number, since it is larger than the sum of its proper divisors (69271643300).

316191411481 is an equidigital number, since it uses as much as digits as its factorization.

316191411481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312 (or 156 counting only the distinct ones).

The product of its digits is 20736, while the sum is 40.

The spelling of 316191411481 in words is "three hundred sixteen billion, one hundred ninety-one million, four hundred eleven thousand, four hundred eighty-one".