312315446 has 12 divisors (see below), whose sum is σ = 481481028. Its totient is φ = 151935912.

The previous prime is 312315433. The next prime is 312315457. The reversal of 312315446 is 644513213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54296 + ... + 59771.

It is an arithmetic number, because the mean of its divisors is an integer number (40123419).

Almost surely, 2^312315446 is an apocalyptic number.

312315446 is a deficient number, since it is larger than the sum of its proper divisors (169165582).

312315446 is a wasteful number, since it uses less digits than its factorization.

312315446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114143 (or 114106 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

The square root of 312315446 is about 17672.4487833464. The cubic root of 312315446 is about 678.4707894078.

Adding to 312315446 its reverse (644513213), we get a palindrome (956828659).

The spelling of 312315446 in words is "three hundred twelve million, three hundred fifteen thousand, four hundred forty-six".