2112031247 has 2 divisors, whose sum is σ = 2112031248. Its totient is φ = 2112031246.

The previous prime is 2112031223. The next prime is 2112031253. The reversal of 2112031247 is 7421302112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2112031247 - 2³⁰ = 1038289423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112030247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056015623 + 1056015624.

It is an arithmetic number, because the mean of its divisors is an integer number (1056015624).

Almost surely, 2^2112031247 is an apocalyptic number.

2112031247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112031247 is an equidigital number, since it uses as much as digits as its factorization.

2112031247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 2112031247 is about 45956.8411338290. The cubic root of 2112031247 is about 1283.0200593551.

Adding to 2112031247 its reverse (7421302112), we get a palindrome (9533333359).

The spelling of 2112031247 in words is "two billion, one hundred twelve million, thirty-one thousand, two hundred forty-seven".