319305146 has 16 divisors (see below), whose sum is σ = 520431360. Its totient is φ = 146370240.

The previous prime is 319305131. The next prime is 319305157. The reversal of 319305146 is 641503913.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134351 + ... + 136706.

It is an arithmetic number, because the mean of its divisors is an integer number (32526960).

Almost surely, 2^319305146 is an apocalyptic number.

319305146 is a deficient number, since it is larger than the sum of its proper divisors (201126214).

319305146 is a wasteful number, since it uses less digits than its factorization.

319305146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271109.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 319305146 is about 17869.1115056121. Note that the first 3 decimals coincide. The cubic root of 319305146 is about 683.4949433873.

The spelling of 319305146 in words is "three hundred nineteen million, three hundred five thousand, one hundred forty-six".