312140804 has 24 divisors (see below), whose sum is σ = 570107160. Its totient is φ = 149348864.

The previous prime is 312140789. The next prime is 312140813. The reversal of 312140804 is 408041213.

It can be written as a sum of positive squares in 4 ways, for example, as 2310400 + 309830404 = 1520^2 + 17602^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 312140804.

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 7 ways as a sum of consecutive naturals, for example, 1202 + ... + 25014.

It is an arithmetic number, because the mean of its divisors is an integer number (23754465).

Almost surely, 2^312140804 is an apocalyptic number.

It is an amenable number.

312140804 is a deficient number, since it is larger than the sum of its proper divisors (257966356).

312140804 is a wasteful number, since it uses less digits than its factorization.

312140804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23959 (or 23957 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 312140804 is about 17667.5070114603. The cubic root of 312140804 is about 678.3443023472.

The spelling of 312140804 in words is "three hundred twelve million, one hundred forty thousand, eight hundred four".