312144004 has 24 divisors (see below), whose sum is σ = 584894520. Its totient is φ = 145238016.

The previous prime is 312143999. The next prime is 312144011. The reversal of 312144004 is 400441213.

It can be written as a sum of positive squares in 4 ways, for example, as 44756100 + 267387904 = 6690^2 + 16352^2 .

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, 19737 + ... + 31840.

It is an arithmetic number, because the mean of its divisors is an integer number (24370605).

Almost surely, 2^312144004 is an apocalyptic number.

312144004 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

312144004 is a deficient number, since it is larger than the sum of its proper divisors (272750516).

312144004 is a wasteful number, since it uses less digits than its factorization.

312144004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51687 (or 51685 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 312144004 is about 17667.5975729582. The cubic root of 312144004 is about 678.3466204189.

Adding to 312144004 its reverse (400441213), we get a palindrome (712585217).

The spelling of 312144004 in words is "three hundred twelve million, one hundred forty-four thousand, four".