312243204 has 48 divisors (see below), whose sum is σ = 896701568. Its totient is φ = 82349568.

The previous prime is 312243143. The next prime is 312243221. The reversal of 312243204 is 402342213.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141877 + ... + 144060.

Almost surely, 2^312243204 is an apocalyptic number.

It is an amenable number.

312243204 is an abundant number, since it is smaller than the sum of its proper divisors (584458364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312243204 is a wasteful number, since it uses less digits than its factorization.

312243204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285964 (or 285962 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 312243204 is about 17670.4047491844. The cubic root of 312243204 is about 678.4184727869.

Adding to 312243204 its reverse (402342213), we get a palindrome (714585417).

Subtracting 312243204 from its reverse (402342213), we obtain a palindrome (90099009).

The spelling of 312243204 in words is "three hundred twelve million, two hundred forty-three thousand, two hundred four".