315171201 has 32 divisors (see below), whose sum is σ = 438829056. Its totient is φ = 201096000.

The previous prime is 315171193. The next prime is 315171229. The reversal of 315171201 is 102171513.

It is a happy number.

It is not a de Polignac number, because 315171201 - 2³ = 315171193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (315171271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1650016 + ... + 1650206.

It is an arithmetic number, because the mean of its divisors is an integer number (13713408).

Almost surely, 2^315171201 is an apocalyptic number.

It is an amenable number.

315171201 is a deficient number, since it is larger than the sum of its proper divisors (123657855).

315171201 is a wasteful number, since it uses less digits than its factorization.

315171201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453.

The product of its (nonzero) digits is 210, while the sum is 21.

The square root of 315171201 is about 17753.0617359373. The cubic root of 315171201 is about 680.5324556593.

The spelling of 315171201 in words is "three hundred fifteen million, one hundred seventy-one thousand, two hundred one".