312114224321 has 4 divisors (see below), whose sum is σ = 312120536112. Its totient is φ = 312107912532.

The previous prime is 312114224281. The next prime is 312114224339. The reversal of 312114224321 is 123422411213.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 123422411213 = 1667 ⋅74038639.

It is a cyclic number.

It is not a de Polignac number, because 312114224321 - 2¹⁰ = 312114223297 is a prime.

It is a super-2 number, since 2×312114224321² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312114224351) 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, 3081131 + ... + 3180816.

It is an arithmetic number, because the mean of its divisors is an integer number (78030134028).

Almost surely, 2^312114224321 is an apocalyptic number.

It is an amenable number.

312114224321 is a deficient number, since it is larger than the sum of its proper divisors (6311791).

312114224321 is an equidigital number, since it uses as much as digits as its factorization.

312114224321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6311790.

The product of its digits is 2304, while the sum is 26.

Adding to 312114224321 its reverse (123422411213), we get a palindrome (435536635534).

The spelling of 312114224321 in words is "three hundred twelve billion, one hundred fourteen million, two hundred twenty-four thousand, three hundred twenty-one".