315201227 has 4 divisors (see below), whose sum is σ = 343855896. Its totient is φ = 286546560.

The previous prime is 315201217. The next prime is 315201239. The reversal of 315201227 is 722102513.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 722102513 = 11 ⋅65645683.

It is a cyclic number.

It is not a de Polignac number, because 315201227 - 2¹² = 315197131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315201217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14327318 + ... + 14327339.

It is an arithmetic number, because the mean of its divisors is an integer number (85963974).

Almost surely, 2^315201227 is an apocalyptic number.

315201227 is a deficient number, since it is larger than the sum of its proper divisors (28654669).

315201227 is a wasteful number, since it uses less digits than its factorization.

315201227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28654668.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 315201227 is about 17753.9073727447. The cubic root of 315201227 is about 680.5540661561.

The spelling of 315201227 in words is "three hundred fifteen million, two hundred one thousand, two hundred twenty-seven".