315231130 has 8 divisors (see below), whose sum is σ = 567416052. Its totient is φ = 126092448.

The previous prime is 315231127. The next prime is 315231143. The reversal of 315231130 is 31132513.

It can be written as a sum of positive squares in 2 ways, for example, as 305515441 + 9715689 = 17479^2 + 3117^2 .

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 = 315231098 and 315231107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15761547 + ... + 15761566.

Almost surely, 2^315231130 is an apocalyptic number.

315231130 is a deficient number, since it is larger than the sum of its proper divisors (252184922).

315231130 is a wasteful number, since it uses less digits than its factorization.

315231130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31523120.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 315231130 is about 17754.7495054140. The cubic root of 315231130 is about 680.5755867626.

Adding to 315231130 its reverse (31132513), we get a palindrome (346363643).

The spelling of 315231130 in words is "three hundred fifteen million, two hundred thirty-one thousand, one hundred thirty".