312340220344 has 16 divisors (see below), whose sum is σ = 588610697400. Its totient is φ = 155377367712.

The previous prime is 312340220333. The next prime is 312340220347. The reversal of 312340220344 is 443022043213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312340220347) 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 3 ways as a sum of consecutive naturals, for example, 99091134 + ... + 99094285.

Almost surely, 2^312340220344 is an apocalyptic number.

It is an amenable number.

312340220344 is a deficient number, since it is larger than the sum of its proper divisors (276270477056).

312340220344 is a wasteful number, since it uses less digits than its factorization.

312340220344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198185622 (or 198185618 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 312340220344 its reverse (443022043213), we get a palindrome (755362263557).

The spelling of 312340220344 in words is "three hundred twelve billion, three hundred forty million, two hundred twenty thousand, three hundred forty-four".