312211313242318 has 64 divisors (see below), whose sum is σ = 538074481029120. Its totient is φ = 133093503129600.

The previous prime is 312211313242259. The next prime is 312211313242319. The reversal of 312211313242318 is 813242313112213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312211313242319) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2920456855 + ... + 2920563757.

It is an arithmetic number, because the mean of its divisors is an integer number (8407413766080).

Almost surely, 2^{312211313242318} is an apocalyptic number.

312211313242318 is a deficient number, since it is larger than the sum of its proper divisors (225863167786802).

312211313242318 is a wasteful number, since it uses less digits than its factorization.

312211313242318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108793.

The product of its digits is 41472, while the sum is 37.

The spelling of 312211313242318 in words is "three hundred twelve trillion, two hundred eleven billion, three hundred thirteen million, two hundred forty-two thousand, three hundred eighteen".