315030223 has 4 divisors (see below), whose sum is σ = 316143688. Its totient is φ = 313916760.

The previous prime is 315030193. The next prime is 315030257. The reversal of 315030223 is 322030513.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322030513 = 7 ⋅46004359.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315030223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 315030223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315030283) 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, 556308 + ... + 556873.

It is an arithmetic number, because the mean of its divisors is an integer number (79035922).

Almost surely, 2^315030223 is an apocalyptic number.

315030223 is a deficient number, since it is larger than the sum of its proper divisors (1113465).

315030223 is a wasteful number, since it uses less digits than its factorization.

315030223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113464.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 315030223 is about 17749.0907654449. The cubic root of 315030223 is about 680.4309717540.

Adding to 315030223 its reverse (322030513), we get a palindrome (637060736).

The spelling of 315030223 in words is "three hundred fifteen million, thirty thousand, two hundred twenty-three".