315106642 has 8 divisors (see below), whose sum is σ = 474200496. Its totient is φ = 157039812.

The previous prime is 315106619. The next prime is 315106667. The reversal of 315106642 is 246601513.

315106642 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 315106642.

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, 255988 + ... + 257215.

It is an arithmetic number, because the mean of its divisors is an integer number (59275062).

Almost surely, 2^315106642 is an apocalyptic number.

315106642 is a deficient number, since it is larger than the sum of its proper divisors (159093854).

315106642 is a wasteful number, since it uses less digits than its factorization.

315106642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513512.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 315106642 is about 17751.2433930697. The cubic root of 315106642 is about 680.4859862116.

The spelling of 315106642 in words is "three hundred fifteen million, one hundred six thousand, six hundred forty-two".