42312315 has 8 divisors (see below), whose sum is σ = 67699728. Its totient is φ = 22566560.

The previous prime is 42312307. The next prime is 42312323. The reversal of 42312315 is 51321324.

42312315 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 (42312307) and next prime (42312323).

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

It is not a de Polignac number, because 42312315 - 2³ = 42312307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42312291 and 42312300.

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, 1410396 + ... + 1410425.

It is an arithmetic number, because the mean of its divisors is an integer number (8462466).

Almost surely, 2^42312315 is an apocalyptic number.

42312315 is a deficient number, since it is larger than the sum of its proper divisors (25387413).

42312315 is a wasteful number, since it uses less digits than its factorization.

42312315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2820829.

The product of its digits is 720, while the sum is 21.

The square root of 42312315 is about 6504.7916953581. The cubic root of 42312315 is about 348.4621370435.

Adding to 42312315 its reverse (51321324), we get a palindrome (93633639).

Subtracting 42312315 from its reverse (51321324), we obtain a palindrome (9009009).

The spelling of 42312315 in words is "forty-two million, three hundred twelve thousand, three hundred fifteen".