316131116 has 24 divisors (see below), whose sum is σ = 669455136. Its totient is φ = 127514880.

The previous prime is 316131077. The next prime is 316131119. The reversal of 316131116 is 611131613.

It is a junction number, because it is equal to n+sod(n) for n = 316131091 and 316131100.

It is not an unprimeable number, because it can be changed into a prime (316131119) 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, 331595 + ... + 332546.

It is an arithmetic number, because the mean of its divisors is an integer number (27893964).

Almost surely, 2^316131116 is an apocalyptic number.

It is an amenable number.

316131116 is an abundant number, since it is smaller than the sum of its proper divisors (353324020).

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

316131116 is a wasteful number, since it uses less digits than its factorization.

316131116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664169 (or 664167 counting only the distinct ones).

The product of its digits is 324, while the sum is 23.

The square root of 316131116 is about 17780.0763777887. The cubic root of 316131116 is about 681.2226532692. Note that the first 3 decimals are identical.

Adding to 316131116 its reverse (611131613), we get a palindrome (927262729).

The spelling of 316131116 in words is "three hundred sixteen million, one hundred thirty-one thousand, one hundred sixteen".