319242218 has 32 divisors (see below), whose sum is σ = 535688640. Its totient is φ = 141799680.

The previous prime is 319242211. The next prime is 319242221. The reversal of 319242218 is 812242913.

It is not an unprimeable number, because it can be changed into a prime (319242211) 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 15 ways as a sum of consecutive naturals, for example, 213080 + ... + 214572.

It is an arithmetic number, because the mean of its divisors is an integer number (16740270).

Almost surely, 2^319242218 is an apocalyptic number.

319242218 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

319242218 is a deficient number, since it is larger than the sum of its proper divisors (216446422).

319242218 is a wasteful number, since it uses less digits than its factorization.

319242218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1862.

The product of its digits is 6912, while the sum is 32.

The square root of 319242218 is about 17867.3506150184. The cubic root of 319242218 is about 683.4500398458.

The spelling of 319242218 in words is "three hundred nineteen million, two hundred forty-two thousand, two hundred eighteen".