315225830 has 8 divisors (see below), whose sum is σ = 567406512. Its totient is φ = 126090328.

The previous prime is 315225809. The next prime is 315225839. The reversal of 315225830 is 38522513.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 315225793 and 315225802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315225839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15761282 + ... + 15761301.

It is an arithmetic number, because the mean of its divisors is an integer number (70925814).

Almost surely, 2^315225830 is an apocalyptic number.

315225830 is a deficient number, since it is larger than the sum of its proper divisors (252180682).

315225830 is a wasteful number, since it uses less digits than its factorization.

315225830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31522590.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 315225830 is about 17754.6002489496. The cubic root of 315225830 is about 680.5717725551.

It can be divided in two parts, 3152 and 25830, that added together give a palindrome (28982).

The spelling of 315225830 in words is "three hundred fifteen million, two hundred twenty-five thousand, eight hundred thirty".