312530078 has 16 divisors (see below), whose sum is σ = 536721120. Its totient is φ = 133702656.

The previous prime is 312530051. The next prime is 312530117. The reversal of 312530078 is 870035213.

It is a self number, because there is not a number n which added to its sum of digits gives 312530078.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11651 + ... + 27582.

It is an arithmetic number, because the mean of its divisors is an integer number (33545070).

Almost surely, 2^312530078 is an apocalyptic number.

312530078 is a deficient number, since it is larger than the sum of its proper divisors (224191042).

312530078 is a wasteful number, since it uses less digits than its factorization.

312530078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39811.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 312530078 is about 17678.5202435045. The cubic root of 312530078 is about 678.6261752511.

The spelling of 312530078 in words is "three hundred twelve million, five hundred thirty thousand, seventy-eight".