312030222011 has 4 divisors (see below), whose sum is σ = 312077073024. Its totient is φ = 311983371000.

The previous prime is 312030221939. The next prime is 312030222017. The reversal of 312030222011 is 110222030213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110222030213 = 47 ⋅2345149579.

It is a cyclic number.

It is not a de Polignac number, because 312030222011 - 2¹⁰ = 312030220987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312030222017) 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, 23415515 + ... + 23428836.

It is an arithmetic number, because the mean of its divisors is an integer number (78019268256).

Almost surely, 2^312030222011 is an apocalyptic number.

312030222011 is a deficient number, since it is larger than the sum of its proper divisors (46851013).

312030222011 is an equidigital number, since it uses as much as digits as its factorization.

312030222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46851012.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 312030222011 its reverse (110222030213), we get a palindrome (422252252224).

The spelling of 312030222011 in words is "three hundred twelve billion, thirty million, two hundred twenty-two thousand, eleven".