312032201111 has 4 divisors (see below), whose sum is σ = 312033323424. Its totient is φ = 312031078800.

The previous prime is 312032201101. The next prime is 312032201119. The reversal of 312032201111 is 111102230213.

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.

It is a cyclic number.

It is not a de Polignac number, because 312032201111 - 2³⁴ = 294852331927 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 312032201111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312032201119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200306 + ... + 814976.

It is an arithmetic number, because the mean of its divisors is an integer number (78008330856).

Almost surely, 2^312032201111 is an apocalyptic number.

312032201111 is a deficient number, since it is larger than the sum of its proper divisors (1122313).

312032201111 is an equidigital number, since it uses as much as digits as its factorization.

312032201111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122312.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 312032201111 its reverse (111102230213), we get a palindrome (423134431324).

The spelling of 312032201111 in words is "three hundred twelve billion, thirty-two million, two hundred one thousand, one hundred eleven".