315048136 has 16 divisors (see below), whose sum is σ = 636155100. Its totient is φ = 145406784.

The previous prime is 315048121. The next prime is 315048169. The reversal of 315048136 is 631840513.

It can be written as a sum of positive squares in 2 ways, for example, as 258888100 + 56160036 = 16090^2 + 7494^2 .

It is a junction number, because it is equal to n+sod(n) for n = 315048098 and 315048107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1514551 + ... + 1514758.

Almost surely, 2^315048136 is an apocalyptic number.

It is an amenable number.

315048136 is an abundant number, since it is smaller than the sum of its proper divisors (321106964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

315048136 is a wasteful number, since it uses less digits than its factorization.

315048136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3029328 (or 3029324 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 315048136 is about 17749.5953756698. The cubic root of 315048136 is about 680.4438682193.

Adding to 315048136 its reverse (631840513), we get a palindrome (946888649).

The spelling of 315048136 in words is "three hundred fifteen million, forty-eight thousand, one hundred thirty-six".