312313452242 has 32 divisors (see below), whose sum is σ = 538248775680. Its totient is φ = 134415899280.

The previous prime is 312313452239. The next prime is 312313452247. The reversal of 312313452242 is 242254313213.

It is a junction number, because it is equal to n+sod(n) for n = 312313452199 and 312313452208.

It is not an unprimeable number, because it can be changed into a prime (312313452247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 569783 + ... + 974309.

It is an arithmetic number, because the mean of its divisors is an integer number (16820274240).

Almost surely, 2^312313452242 is an apocalyptic number.

312313452242 is a deficient number, since it is larger than the sum of its proper divisors (225935323438).

312313452242 is a wasteful number, since it uses less digits than its factorization.

312313452242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406406.

The product of its digits is 34560, while the sum is 32.

Adding to 312313452242 its reverse (242254313213), we get a palindrome (554567765455).

The spelling of 312313452242 in words is "three hundred twelve billion, three hundred thirteen million, four hundred fifty-two thousand, two hundred forty-two".