316656042 has 96 divisors (see below), whose sum is σ = 726185088. Its totient is φ = 91542528.

The previous prime is 316656031. The next prime is 316656047. The reversal of 316656042 is 240656613.

It is a junction number, because it is equal to n+sod(n) for n = 316655994 and 316656012.

It is not an unprimeable number, because it can be changed into a prime (316656047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4337718 + ... + 4337790.

It is an arithmetic number, because the mean of its divisors is an integer number (7564428).

Almost surely, 2^316656042 is an apocalyptic number.

316656042 is an abundant number, since it is smaller than the sum of its proper divisors (409529046).

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

316656042 is a wasteful number, since it uses less digits than its factorization.

316656042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 316656042 is about 17794.8318901865. The cubic root of 316656042 is about 681.5994945264.

The spelling of 316656042 in words is "three hundred sixteen million, six hundred fifty-six thousand, forty-two".