312844132 has 24 divisors (see below), whose sum is σ = 581368536. Its totient is φ = 146792448.

The previous prime is 312844117. The next prime is 312844151. The reversal of 312844132 is 231448213.

It can be written as a sum of positive squares in 4 ways, for example, as 87123556 + 225720576 = 9334^2 + 15024^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 312844132.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17488 + ... + 30520.

It is an arithmetic number, because the mean of its divisors is an integer number (24223689).

Almost surely, 2^312844132 is an apocalyptic number.

It is an amenable number.

312844132 is a deficient number, since it is larger than the sum of its proper divisors (268524404).

312844132 is a wasteful number, since it uses less digits than its factorization.

312844132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13407 (or 13405 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

The square root of 312844132 is about 17687.4003742777. The cubic root of 312844132 is about 678.8534108907.

The spelling of 312844132 in words is "three hundred twelve million, eight hundred forty-four thousand, one hundred thirty-two".