312168318 has 48 divisors (see below), whose sum is σ = 792301824. Its totient is φ = 81081840.

The previous prime is 312168317. The next prime is 312168323. The reversal of 312168318 is 813861213.

312168318 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312168317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45030 + ... + 51497.

It is an arithmetic number, because the mean of its divisors is an integer number (16506288).

Almost surely, 2^312168318 is an apocalyptic number.

312168318 is an abundant number, since it is smaller than the sum of its proper divisors (480133506).

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

312168318 is a wasteful number, since it uses less digits than its factorization.

312168318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96557 (or 96550 counting only the distinct ones).

The product of its digits is 6912, while the sum is 33.

The square root of 312168318 is about 17668.2856553770. The cubic root of 312168318 is about 678.3642329005.

The spelling of 312168318 in words is "three hundred twelve million, one hundred sixty-eight thousand, three hundred eighteen".