315050642 has 16 divisors (see below), whose sum is σ = 505153152. Its totient is φ = 147000480.

The previous prime is 315050611. The next prime is 315050651. The reversal of 315050642 is 246050513.

It is a super-2 number, since 2×315050642² = 198513814049224328, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 81638 + ... + 85409.

It is an arithmetic number, because the mean of its divisors is an integer number (31572072).

Almost surely, 2^315050642 is an apocalyptic number.

315050642 is a deficient number, since it is larger than the sum of its proper divisors (190102510).

315050642 is a wasteful number, since it uses less digits than its factorization.

315050642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167113.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 315050642 is about 17749.6659686880. The cubic root of 315050642 is about 680.4456723751.

The spelling of 315050642 in words is "three hundred fifteen million, fifty thousand, six hundred forty-two".