3112312011233 has 4 divisors (see below), whose sum is σ = 3114413506308. Its totient is φ = 3110210516160.

The previous prime is 3112312011229. The next prime is 3112312011239. The reversal of 3112312011233 is 3321102132113.

3112312011233 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 560264226064 + 2552047785169 = 748508^2 + 1597513^2 .

It is a cyclic number.

It is not a de Polignac number, because 3112312011233 - 2² = 3112312011229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3112312011199 and 3112312011208.

It is not an unprimeable number, because it can be changed into a prime (3112312011239) 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, 1050745316 + ... + 1050748277.

It is an arithmetic number, because the mean of its divisors is an integer number (778603376577).

Almost surely, 2^{3112312011233} is an apocalyptic number.

It is an amenable number.

3112312011233 is a deficient number, since it is larger than the sum of its proper divisors (2101495075).

3112312011233 is a wasteful number, since it uses less digits than its factorization.

3112312011233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2101495074.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 3112312011233 its reverse (3321102132113), we get a palindrome (6433414143346).

The spelling of 3112312011233 in words is "three trillion, one hundred twelve billion, three hundred twelve million, eleven thousand, two hundred thirty-three".