315320230 has 16 divisors (see below), whose sum is σ = 575571744. Its totient is φ = 124351360.

The previous prime is 315320209. The next prime is 315320263. The reversal of 315320230 is 32023513.

It is a junction number, because it is equal to n+sod(n) for n = 315320198 and 315320207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221347 + ... + 222766.

It is an arithmetic number, because the mean of its divisors is an integer number (35973234).

Almost surely, 2^315320230 is an apocalyptic number.

315320230 is a deficient number, since it is larger than the sum of its proper divisors (260251514).

315320230 is a wasteful number, since it uses less digits than its factorization.

315320230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444191.

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

The square root of 315320230 is about 17757.2585158858. The cubic root of 315320230 is about 680.6397022286.

Adding to 315320230 its reverse (32023513), we get a palindrome (347343743).

The spelling of 315320230 in words is "three hundred fifteen million, three hundred twenty thousand, two hundred thirty".