316331128 has 32 divisors (see below), whose sum is σ = 607426560. Its totient is φ = 154395360.

The previous prime is 316331117. The next prime is 316331143. The reversal of 316331128 is 821133613.

It is a junction number, because it is equal to n+sod(n) for n = 316331096 and 316331105.

It is a congruent number.

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, 55801 + ... + 61207.

It is an arithmetic number, because the mean of its divisors is an integer number (18982080).

Almost surely, 2^316331128 is an apocalyptic number.

It is an amenable number.

316331128 is a deficient number, since it is larger than the sum of its proper divisors (291095432).

316331128 is a wasteful number, since it uses less digits than its factorization.

316331128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5587 (or 5583 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 316331128 is about 17785.7000986748. The cubic root of 316331128 is about 681.3662898527.

It can be divided in two parts, 31633 and 1128, that added together give a square (32761 = 181²).

The spelling of 316331128 in words is "three hundred sixteen million, three hundred thirty-one thousand, one hundred twenty-eight".