312320143422111 has 64 divisors (see below), whose sum is σ = 466000527624192. Its totient is φ = 184439009280000.

The previous prime is 312320143422097. The next prime is 312320143422113. The reversal of 312320143422111 is 111224341023213.

It is not a de Polignac number, because 312320143422111 - 2¹⁰ = 312320143421087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312320143422113) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1405716871 + ... + 1405939031.

It is an arithmetic number, because the mean of its divisors is an integer number (7281258244128).

Almost surely, 2^{312320143422111} is an apocalyptic number.

312320143422111 is a deficient number, since it is larger than the sum of its proper divisors (153680384202081).

312320143422111 is a wasteful number, since it uses less digits than its factorization.

312320143422111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226224.

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 312320143422111 its reverse (111224341023213), we get a palindrome (423544484445324).

The spelling of 312320143422111 in words is "three hundred twelve trillion, three hundred twenty billion, one hundred forty-three million, four hundred twenty-two thousand, one hundred eleven".