316354731481 has 2 divisors, whose sum is σ = 316354731482. Its totient is φ = 316354731480.

The previous prime is 316354731391. The next prime is 316354731499. The reversal of 316354731481 is 184137453613.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 171333905625 + 145020825856 = 413925^2 + 380816^2 .

It is a cyclic number.

It is not a de Polignac number, because 316354731481 - 2¹⁷ = 316354600409 is a prime.

It is a super-2 number, since 2×316354731481² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (316354731281) 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, 158177365740 + 158177365741.

It is an arithmetic number, because the mean of its divisors is an integer number (158177365741).

Almost surely, 2^316354731481 is an apocalyptic number.

It is an amenable number.

316354731481 is a deficient number, since it is larger than the sum of its proper divisors (1).

316354731481 is an equidigital number, since it uses as much as digits as its factorization.

316354731481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 46.

The spelling of 316354731481 in words is "three hundred sixteen billion, three hundred fifty-four million, seven hundred thirty-one thousand, four hundred eighty-one".