2112311233 has 6 divisors (see below), whose sum is σ = 2147510742. Its totient is φ = 2077679520.

The previous prime is 2112311221. The next prime is 2112311249. The reversal of 2112311233 is 3321132112.

It can be written as a sum of positive squares in 3 ways, for example, as 22724289 + 2089586944 = 4767^2 + 45712^2 .

It is not a de Polignac number, because 2112311233 - 2¹³ = 2112303041 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 2112311233.

It is not an unprimeable number, because it can be changed into a prime (2112311213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 280116 + ... + 287557.

It is an arithmetic number, because the mean of its divisors is an integer number (357918457).

Almost surely, 2^2112311233 is an apocalyptic number.

It is an amenable number.

2112311233 is a deficient number, since it is larger than the sum of its proper divisors (35199509).

2112311233 is an frugal number, since it uses more digits than its factorization.

2112311233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567795 (or 567734 counting only the distinct ones).

The product of its digits is 216, while the sum is 19.

The square root of 2112311233 is about 45959.8872170070. The cubic root of 2112311233 is about 1283.0767522950.

Adding to 2112311233 its reverse (3321132112), we get a palindrome (5433443345).

The spelling of 2112311233 in words is "two billion, one hundred twelve million, three hundred eleven thousand, two hundred thirty-three".