316354731505 has 16 divisors (see below), whose sum is σ = 397128776400. Its totient is φ = 241611166720.

The previous prime is 316354731499. The next prime is 316354731533. The reversal of 316354731505 is 505137453613.

It can be written as a sum of positive squares in 8 ways, for example, as 125081856 + 316229649649 = 11184^2 + 562343^2 .

It is not a de Polignac number, because 316354731505 - 2¹⁹ = 316354207217 is a prime.

It is a super-2 number, since 2×316354731505² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 12244156 + ... + 12269965.

It is an arithmetic number, because the mean of its divisors is an integer number (24820548525).

Almost surely, 2^316354731505 is an apocalyptic number.

It is an amenable number.

316354731505 is a deficient number, since it is larger than the sum of its proper divisors (80774044895).

316354731505 is a wasteful number, since it uses less digits than its factorization.

316354731505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24514244.

The product of its (nonzero) digits is 567000, while the sum is 43.

The spelling of 316354731505 in words is "three hundred sixteen billion, three hundred fifty-four million, seven hundred thirty-one thousand, five hundred five".