312315422 has 8 divisors (see below), whose sum is σ = 468564096. Its totient is φ = 156127392.

The previous prime is 312315403. The next prime is 312315427. The reversal of 312315422 is 224513213.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312315427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1283 + ... + 25025.

It is an arithmetic number, because the mean of its divisors is an integer number (58570512).

Almost surely, 2^312315422 is an apocalyptic number.

312315422 is a deficient number, since it is larger than the sum of its proper divisors (156248674).

312315422 is a wasteful number, since it uses less digits than its factorization.

312315422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30322.

The product of its digits is 1440, while the sum is 23.

The square root of 312315422 is about 17672.4481043233. The cubic root of 312315422 is about 678.4707720287.

Adding to 312315422 its reverse (224513213), we get a palindrome (536828635).

The spelling of 312315422 in words is "three hundred twelve million, three hundred fifteen thousand, four hundred twenty-two".