315023048 has 8 divisors (see below), whose sum is σ = 590668230. Its totient is φ = 157511520.

The previous prime is 315023041. The next prime is 315023053. The reversal of 315023048 is 840320513.

It can be written as a sum of positive squares in only one way, i.e., 238949764 + 76073284 = 15458^2 + 8722^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (315023041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19688933 + ... + 19688948.

Almost surely, 2^315023048 is an apocalyptic number.

It is an amenable number.

315023048 is a deficient number, since it is larger than the sum of its proper divisors (275645182).

315023048 is a wasteful number, since it uses less digits than its factorization.

315023048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39377887 (or 39377883 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 315023048 is about 17748.8886412643. Note that the first 3 decimals coincide. The cubic root of 315023048 is about 680.4258059753.

The spelling of 315023048 in words is "three hundred fifteen million, twenty-three thousand, forty-eight".