312040318 has 8 divisors (see below), whose sum is σ = 470675880. Its totient is φ = 155148360.

The previous prime is 312040307. The next prime is 312040343. The reversal of 312040318 is 813040213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×312040318² = 194738320115082248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 435453 + ... + 436168.

It is an arithmetic number, because the mean of its divisors is an integer number (58834485).

Almost surely, 2^312040318 is an apocalyptic number.

312040318 is a deficient number, since it is larger than the sum of its proper divisors (158635562).

312040318 is a wasteful number, since it uses less digits than its factorization.

312040318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871802.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 312040318 is about 17664.6629744244. The cubic root of 312040318 is about 678.2715024861.

The spelling of 312040318 in words is "three hundred twelve million, forty thousand, three hundred eighteen".