42931315 has 8 divisors (see below), whose sum is σ = 58877280. Its totient is φ = 29438592.

The previous prime is 42931309. The next prime is 42931321. The reversal of 42931315 is 51313924.

42931315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42931309) and next prime (42931321).

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

It is a cyclic number.

It is not a de Polignac number, because 42931315 - 2⁹ = 42930803 is a prime.

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, 613270 + ... + 613339.

It is an arithmetic number, because the mean of its divisors is an integer number (7359660).

Almost surely, 2^42931315 is an apocalyptic number.

42931315 is a deficient number, since it is larger than the sum of its proper divisors (15945965).

42931315 is a wasteful number, since it uses less digits than its factorization.

42931315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226621.

The product of its digits is 3240, while the sum is 28.

The square root of 42931315 is about 6552.1992491071. The cubic root of 42931315 is about 350.1531710530.

The spelling of 42931315 in words is "forty-two million, nine hundred thirty-one thousand, three hundred fifteen".