312425216 has 18 divisors (see below), whose sum is σ = 623630532. Its totient is φ = 156212480.

The previous prime is 312425213. The next prime is 312425231. The reversal of 312425216 is 612524213.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (312425213) by changing a digit.

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 as a sum of consecutive naturals, namely, 609950 + ... + 610461.

Almost surely, 2^312425216 is an apocalyptic number.

It is an amenable number.

312425216 is a deficient number, since it is larger than the sum of its proper divisors (311205316).

312425216 is an equidigital number, since it uses as much as digits as its factorization.

312425216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220427 (or 1220413 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 312425216 is about 17675.5541921604. The cubic root of 312425216 is about 678.5502678282.

Adding to 312425216 its reverse (612524213), we get a palindrome (924949429).

The spelling of 312425216 in words is "three hundred twelve million, four hundred twenty-five thousand, two hundred sixteen".