319421650 has 12 divisors (see below), whose sum is σ = 594124362. Its totient is φ = 127768640.

The previous prime is 319421639. The next prime is 319421659. The reversal of 319421650 is 56124913.

It can be written as a sum of positive squares in 3 ways, for example, as 311063769 + 8357881 = 17637^2 + 2891^2 .

It is not an unprimeable number, because it can be changed into a prime (319421659) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3194167 + ... + 3194266.

Almost surely, 2^319421650 is an apocalyptic number.

319421650 is a deficient number, since it is larger than the sum of its proper divisors (274702712).

319421650 is a wasteful number, since it uses less digits than its factorization.

319421650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6388445 (or 6388440 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 319421650 is about 17872.3711353586. The cubic root of 319421650 is about 683.5780615926.

The spelling of 319421650 in words is "three hundred nineteen million, four hundred twenty-one thousand, six hundred fifty".