312022223311 has 4 divisors (see below), whose sum is σ = 312023341872. Its totient is φ = 312021104752.

The previous prime is 312022223299. The next prime is 312022223321. The reversal of 312022223311 is 113322220213.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 113322220213 = 73 ⋅1552359181.

It is a cyclic number.

It is not a de Polignac number, because 312022223311 - 2¹⁹ = 312021699023 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 (312022223321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237966 + ... + 825028.

It is an arithmetic number, because the mean of its divisors is an integer number (78005835468).

Almost surely, 2^312022223311 is an apocalyptic number.

312022223311 is a deficient number, since it is larger than the sum of its proper divisors (1118561).

312022223311 is an equidigital number, since it uses as much as digits as its factorization.

312022223311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118560.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 312022223311 its reverse (113322220213), we get a palindrome (425344443524).

The spelling of 312022223311 in words is "three hundred twelve billion, twenty-two million, two hundred twenty-three thousand, three hundred eleven".