312223302311 has 4 divisors (see below), whose sum is σ = 312311330472. Its totient is φ = 312135274152.

The previous prime is 312223302271. The next prime is 312223302337. The reversal of 312223302311 is 113203322213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113203322213 = 37 ⋅3059549249.

It is a cyclic number.

It is not a de Polignac number, because 312223302311 - 2²² = 312219108007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312223302341) 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, 44008760 + ... + 44015853.

It is an arithmetic number, because the mean of its divisors is an integer number (78077832618).

Almost surely, 2^312223302311 is an apocalyptic number.

312223302311 is a deficient number, since it is larger than the sum of its proper divisors (88028161).

312223302311 is an equidigital number, since it uses as much as digits as its factorization.

312223302311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88028160.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 312223302311 its reverse (113203322213), we get a palindrome (425426624524).

The spelling of 312223302311 in words is "three hundred twelve billion, two hundred twenty-three million, three hundred two thousand, three hundred eleven".