318646322481 has 8 divisors (see below), whose sum is σ = 425931945664. Its totient is φ = 211895790480.

The previous prime is 318646322479. The next prime is 318646322503. The reversal of 318646322481 is 184223646813.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 318646322481 - 2¹ = 318646322479 is a prime.

It is a super-2 number, since 2×318646322481² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 318646322481.

It is not an unprimeable number, because it can be changed into a prime (318646322081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133771405 + ... + 133773786.

It is an arithmetic number, because the mean of its divisors is an integer number (53241493208).

Almost surely, 2^318646322481 is an apocalyptic number.

It is an amenable number.

318646322481 is a deficient number, since it is larger than the sum of its proper divisors (107285623183).

318646322481 is a wasteful number, since it uses less digits than its factorization.

318646322481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267545591.

The product of its digits is 1327104, while the sum is 48.

The spelling of 318646322481 in words is "three hundred eighteen billion, six hundred forty-six million, three hundred twenty-two thousand, four hundred eighty-one".