319242219 has 8 divisors (see below), whose sum is σ = 432634512. Its totient is φ = 209339040.

The previous prime is 319242211. The next prime is 319242221. The reversal of 319242219 is 912242913.

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

It is not a de Polignac number, because 319242219 - 2³ = 319242211 is a prime.

It is a super-2 number, since 2×319242219² = 203831188784087922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 319242219.

It is not an unprimeable number, because it can be changed into a prime (319242211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 872064 + ... + 872429.

It is an arithmetic number, because the mean of its divisors is an integer number (54079314).

Almost surely, 2^319242219 is an apocalyptic number.

319242219 is a deficient number, since it is larger than the sum of its proper divisors (113392293).

319242219 is a wasteful number, since it uses less digits than its factorization.

319242219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1744557.

The product of its digits is 7776, while the sum is 33.

The square root of 319242219 is about 17867.3506430024. The cubic root of 319242219 is about 683.4500405594.

It can be divided in two parts, 31924 and 2219, that added together give a palindrome (34143).

The spelling of 319242219 in words is "three hundred nineteen million, two hundred forty-two thousand, two hundred nineteen".