315512002 has 16 divisors (see below), whose sum is σ = 511294392. Its totient is φ = 145157760.

The previous prime is 315511957. The next prime is 315512003. The reversal of 315512002 is 200215513.

It can be written as a sum of positive squares in 4 ways, for example, as 229189321 + 86322681 = 15139^2 + 9291^2 .

It is not an unprimeable number, because it can be changed into a prime (315512003) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 10899 + ... + 27382.

Almost surely, 2^315512002 is an apocalyptic number.

315512002 is a deficient number, since it is larger than the sum of its proper divisors (195782390).

315512002 is a wasteful number, since it uses less digits than its factorization.

315512002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38613.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 315512002 is about 17762.6575151355. The cubic root of 315512002 is about 680.7776584733. Note that the first 3 decimals are identical.

Adding to 315512002 its reverse (200215513), we get a palindrome (515727515).

The spelling of 315512002 in words is "three hundred fifteen million, five hundred twelve thousand, two".