319705242 has 8 divisors (see below), whose sum is σ = 639410496. Its totient is φ = 106568412.

The previous prime is 319705231. The next prime is 319705259. The reversal of 319705242 is 242507913.

319705242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

319705242 is an admirable number.

It is a super-2 number, since 2×319705242² = 204422883524557128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26642098 + ... + 26642109.

It is an arithmetic number, because the mean of its divisors is an integer number (79926312).

Almost surely, 2^319705242 is an apocalyptic number.

319705242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

319705242 is a wasteful number, since it uses less digits than its factorization.

319705242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53284212.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 319705242 is about 17880.3031853490. The cubic root of 319705242 is about 683.7803020348.

The spelling of 319705242 in words is "three hundred nineteen million, seven hundred five thousand, two hundred forty-two".