316131612140 has 24 divisors (see below), whose sum is σ = 685291754112. Its totient is φ = 122373527040.

The previous prime is 316131612133. The next prime is 316131612163. The reversal of 316131612140 is 41216131613.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254944229 + ... + 254945468.

It is an arithmetic number, because the mean of its divisors is an integer number (28553823088).

Almost surely, 2^316131612140 is an apocalyptic number.

It is an amenable number.

316131612140 is an abundant number, since it is smaller than the sum of its proper divisors (369160141972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

316131612140 is a wasteful number, since it uses less digits than its factorization.

316131612140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509889737 (or 509889735 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

Adding to 316131612140 its reverse (41216131613), we get a palindrome (357347743753).

The spelling of 316131612140 in words is "three hundred sixteen billion, one hundred thirty-one million, six hundred twelve thousand, one hundred forty".