312311111233 has 16 divisors (see below), whose sum is σ = 362116684800. Its totient is φ = 266364640080.

The previous prime is 312311111221. The next prime is 312311111249. The reversal of 312311111233 is 332111113213.

It is not a de Polignac number, because 312311111233 - 2¹⁷ = 312310980161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312311111533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7232413 + ... + 7275466.

It is an arithmetic number, because the mean of its divisors is an integer number (22632292800).

Almost surely, 2^312311111233 is an apocalyptic number.

It is an amenable number.

312311111233 is a deficient number, since it is larger than the sum of its proper divisors (49805573567).

312311111233 is a wasteful number, since it uses less digits than its factorization.

312311111233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14508012.

The product of its digits is 324, while the sum is 22.

Adding to 312311111233 its reverse (332111113213), we get a palindrome (644422224446).

The spelling of 312311111233 in words is "three hundred twelve billion, three hundred eleven million, one hundred eleven thousand, two hundred thirty-three".