315345233 has 6 divisors (see below), whose sum is σ = 366830226. Its totient is φ = 270295872.

The previous prime is 315345161. The next prime is 315345263. The reversal of 315345233 is 332543513.

It can be written as a sum of positive squares in only one way, i.e., 263965009 + 51380224 = 16247^2 + 7168^2 .

It is not a de Polignac number, because 315345233 - 2¹⁰ = 315344209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 315345196 and 315345205.

It is not an unprimeable number, because it can be changed into a prime (315345263) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3217760 + ... + 3217857.

It is an arithmetic number, because the mean of its divisors is an integer number (61138371).

Almost surely, 2^315345233 is an apocalyptic number.

It is an amenable number.

315345233 is a deficient number, since it is larger than the sum of its proper divisors (51484993).

315345233 is an equidigital number, since it uses as much as digits as its factorization.

315345233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6435631 (or 6435624 counting only the distinct ones).

The product of its digits is 16200, while the sum is 29.

The square root of 315345233 is about 17757.9625238933. The cubic root of 315345233 is about 680.6576919663.

Adding to 315345233 its reverse (332543513), we get a palindrome (647888746).

The spelling of 315345233 in words is "three hundred fifteen million, three hundred forty-five thousand, two hundred thirty-three".