312013144 has 16 divisors (see below), whose sum is σ = 585626400. Its totient is φ = 155846112.

The previous prime is 312013103. The next prime is 312013159. The reversal of 312013144 is 441310213.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11584 + ... + 27535.

It is an arithmetic number, because the mean of its divisors is an integer number (36601650).

Almost surely, 2^312013144 is an apocalyptic number.

It is an amenable number.

312013144 is a deficient number, since it is larger than the sum of its proper divisors (273613256).

312013144 is a wasteful number, since it uses less digits than its factorization.

312013144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40122 (or 40118 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 312013144 is about 17663.8937949706. The cubic root of 312013144 is about 678.2518128458.

Adding to 312013144 its reverse (441310213), we get a palindrome (753323357).

The spelling of 312013144 in words is "three hundred twelve million, thirteen thousand, one hundred forty-four".