312243003420311 has 4 divisors (see below), whose sum is σ = 312243301893432. Its totient is φ = 312242704947192.

The previous prime is 312243003420239. The next prime is 312243003420323. The reversal of 312243003420311 is 113024300342213.

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 312243003420311 - 2¹⁰ = 312243003419287 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 (312243003420011) 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, 147661820 + ... + 149761473.

It is an arithmetic number, because the mean of its divisors is an integer number (78060825473358).

Almost surely, 2^{312243003420311} is an apocalyptic number.

312243003420311 is a deficient number, since it is larger than the sum of its proper divisors (298473121).

312243003420311 is a wasteful number, since it uses less digits than its factorization.

312243003420311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298473120.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 312243003420311 its reverse (113024300342213), we get a palindrome (425267303762524).

The spelling of 312243003420311 in words is "three hundred twelve trillion, two hundred forty-three billion, three million, four hundred twenty thousand, three hundred eleven".