319343661025 has 9 divisors (see below), whose sum is σ = 395989643353. Its totient is φ = 255472668400.

The previous prime is 319343661019. The next prime is 319343661031. The reversal of 319343661025 is 520166343913.

The square root of 319343661025 is 565105.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (319343661019) and next prime (319343661031).

It can be written as a sum of positive squares in 4 ways, for example, as 5053361569 + 314290299456 = 71087^2 + 560616^2 .

It is not a de Polignac number, because 319343661025 - 2⁷ = 319343660897 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2769015 + ... + 2882035.

Almost surely, 2^319343661025 is an apocalyptic number.

319343661025 is the 565105-th square number.

319343661025 is the 282553-rd centered octagonal number.

It is an amenable number.

319343661025 is a deficient number, since it is larger than the sum of its proper divisors (76645982328).

319343661025 is an frugal number, since it uses more digits than its factorization.

319343661025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226052 (or 113026 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 43.

The spelling of 319343661025 in words is "three hundred nineteen billion, three hundred forty-three million, six hundred sixty-one thousand, twenty-five".