312243052 has 24 divisors (see below), whose sum is σ = 596573712. Its totient is φ = 141816000.

The previous prime is 312243049. The next prime is 312243053. The reversal of 312243052 is 250342213.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (312243053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81778 + ... + 85510.

It is an arithmetic number, because the mean of its divisors is an integer number (24857238).

Almost surely, 2^312243052 is an apocalyptic number.

It is an amenable number.

312243052 is a deficient number, since it is larger than the sum of its proper divisors (284330660).

312243052 is a wasteful number, since it uses less digits than its factorization.

312243052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5649 (or 5647 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 312243052 is about 17670.4004482072. The cubic root of 312243052 is about 678.4183627022.

Adding to 312243052 its reverse (250342213), we get a palindrome (562585265).

The spelling of 312243052 in words is "three hundred twelve million, two hundred forty-three thousand, fifty-two".