315231201 has 24 divisors (see below), whose sum is σ = 462084480. Its totient is φ = 207060000.

The previous prime is 315231199. The next prime is 315231233. The reversal of 315231201 is 102132513.

It is not a de Polignac number, because 315231201 - 2¹ = 315231199 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (315231271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 216526 + ... + 217976.

It is an arithmetic number, because the mean of its divisors is an integer number (19253520).

Almost surely, 2^315231201 is an apocalyptic number.

It is an amenable number.

315231201 is a deficient number, since it is larger than the sum of its proper divisors (146853279).

315231201 is a wasteful number, since it uses less digits than its factorization.

315231201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1797 (or 1794 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 315231201 is about 17754.7515048789. The cubic root of 315231201 is about 680.5756378583.

Adding to 315231201 its reverse (102132513), we get a palindrome (417363714).

The spelling of 315231201 in words is "three hundred fifteen million, two hundred thirty-one thousand, two hundred one".