312322101211 has 4 divisors (see below), whose sum is σ = 312678227632. Its totient is φ = 311965974792.

The previous prime is 312322101191. The next prime is 312322101323. The reversal of 312322101211 is 112101223213.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 312322101211 - 2¹¹ = 312322099163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312322101911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178061895 + ... + 178063648.

It is an arithmetic number, because the mean of its divisors is an integer number (78169556908).

Almost surely, 2^312322101211 is an apocalyptic number.

312322101211 is a deficient number, since it is larger than the sum of its proper divisors (356126421).

312322101211 is an equidigital number, since it uses as much as digits as its factorization.

312322101211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356126420.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 312322101211 its reverse (112101223213), we get a palindrome (424423324424).

The spelling of 312322101211 in words is "three hundred twelve billion, three hundred twenty-two million, one hundred one thousand, two hundred eleven".