315032005 has 8 divisors (see below), whose sum is σ = 378554400. Its totient is φ = 251681616.

The previous prime is 315031991. The next prime is 315032033. The reversal of 315032005 is 500230513.

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

It is a cyclic number.

It is not a de Polignac number, because 315032005 - 2²³ = 306643397 is a prime.

It is a congruent 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, 38935 + ... + 46324.

It is an arithmetic number, because the mean of its divisors is an integer number (47319300).

Almost surely, 2^315032005 is an apocalyptic number.

It is an amenable number.

315032005 is a deficient number, since it is larger than the sum of its proper divisors (63522395).

315032005 is an equidigital number, since it uses as much as digits as its factorization.

315032005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86003.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 315032005 is about 17749.1409651284. The cubic root of 315032005 is about 680.4322547269.

Adding to 315032005 its reverse (500230513), we get a palindrome (815262518).

The spelling of 315032005 in words is "three hundred fifteen million, thirty-two thousand, five".