315039385 has 8 divisors (see below), whose sum is σ = 378261576. Its totient is φ = 251888640.

The previous prime is 315039377. The next prime is 315039407. The reversal of 315039385 is 583930513.

It can be written as a sum of positive squares in 4 ways, for example, as 33605209 + 281434176 = 5797^2 + 16776^2 .

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

It is not a de Polignac number, because 315039385 - 2³ = 315039377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7624 + ... + 26233.

It is an arithmetic number, because the mean of its divisors is an integer number (47282697).

Almost surely, 2^315039385 is an apocalyptic number.

It is an amenable number.

315039385 is a deficient number, since it is larger than the sum of its proper divisors (63222191).

315039385 is a wasteful number, since it uses less digits than its factorization.

315039385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35723.

The product of its (nonzero) digits is 48600, while the sum is 37.

The square root of 315039385 is about 17749.3488612963. The cubic root of 315039385 is about 680.4375679975.

Adding to 315039385 its reverse (583930513), we get a palindrome (898969898).

The spelling of 315039385 in words is "three hundred fifteen million, thirty-nine thousand, three hundred eighty-five".