316642281812 has 6 divisors (see below), whose sum is σ = 554123993178. Its totient is φ = 158321140904.

The previous prime is 316642281763. The next prime is 316642281827. The reversal of 316642281812 is 218182246613.

It can be written as a sum of positive squares in only one way, i.e., 218169331396 + 98472950416 = 467086^2 + 313804^2 .

It is a super-2 number, since 2×316642281812² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 39580285223 + ... + 39580285230.

It is an arithmetic number, because the mean of its divisors is an integer number (92353998863).

Almost surely, 2^316642281812 is an apocalyptic number.

It is an amenable number.

316642281812 is a deficient number, since it is larger than the sum of its proper divisors (237481711366).

316642281812 is a wasteful number, since it uses less digits than its factorization.

316642281812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79160570457 (or 79160570455 counting only the distinct ones).

The product of its digits is 221184, while the sum is 44.

The spelling of 316642281812 in words is "three hundred sixteen billion, six hundred forty-two million, two hundred eighty-one thousand, eight hundred twelve".