2112311933 has 2 divisors, whose sum is σ = 2112311934. Its totient is φ = 2112311932.

The previous prime is 2112311921. The next prime is 2112311959. The reversal of 2112311933 is 3391132112.

It is an a-pointer prime, because the next prime (2112311959) can be obtained adding 2112311933 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1928790724 + 183521209 = 43918^2 + 13547^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2112311933 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112311963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056155966 + 1056155967.

It is an arithmetic number, because the mean of its divisors is an integer number (1056155967).

Almost surely, 2^2112311933 is an apocalyptic number.

It is an amenable number.

2112311933 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112311933 is an equidigital number, since it uses as much as digits as its factorization.

2112311933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 972, while the sum is 26.

The square root of 2112311933 is about 45959.8948323427. The cubic root of 2112311933 is about 1283.0768940281.

The spelling of 2112311933 in words is "two billion, one hundred twelve million, three hundred eleven thousand, nine hundred thirty-three".