318085042 has 48 divisors (see below), whose sum is σ = 555552864. Its totient is φ = 136560600.

The previous prime is 318085013. The next prime is 318085043. The reversal of 318085042 is 240580813.

It is a junction number, because it is equal to n+sod(n) for n = 318084995 and 318085013.

It is not an unprimeable number, because it can be changed into a prime (318085043) 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 23 ways as a sum of consecutive naturals, for example, 960817 + ... + 961147.

It is an arithmetic number, because the mean of its divisors is an integer number (11574018).

Almost surely, 2^318085042 is an apocalyptic number.

318085042 is a deficient number, since it is larger than the sum of its proper divisors (237467822).

318085042 is a wasteful number, since it uses less digits than its factorization.

318085042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404 (or 363 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 318085042 is about 17834.9388000071. The cubic root of 318085042 is about 682.6232595925.

The spelling of 318085042 in words is "three hundred eighteen million, eighty-five thousand, forty-two".