312143204 has 12 divisors (see below), whose sum is σ = 546597744. Its totient is φ = 155972424.

The previous prime is 312143201. The next prime is 312143213. The reversal of 312143204 is 402341213.

It is not an unprimeable number, because it can be changed into a prime (312143201) 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, 17474 + ... + 30489.

It is an arithmetic number, because the mean of its divisors is an integer number (45549812).

Almost surely, 2^312143204 is an apocalyptic number.

It is an amenable number.

312143204 is a deficient number, since it is larger than the sum of its proper divisors (234454540).

312143204 is a wasteful number, since it uses less digits than its factorization.

312143204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49594 (or 49592 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 312143204 is about 17667.5749326273. The cubic root of 312143204 is about 678.3460409025.

Adding to 312143204 its reverse (402341213), we get a palindrome (714484417).

The spelling of 312143204 in words is "three hundred twelve million, one hundred forty-three thousand, two hundred four".