4312211243 has 2 divisors, whose sum is σ = 4312211244. Its totient is φ = 4312211242.

The previous prime is 4312211161. The next prime is 4312211249. The reversal of 4312211243 is 3421122134.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4312211243 is a prime.

It is not a weakly prime, because it can be changed into another prime (4312211249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2156105621 + 2156105622.

It is an arithmetic number, because the mean of its divisors is an integer number (2156105622).

Almost surely, 2^4312211243 is an apocalyptic number.

4312211243 is a deficient number, since it is larger than the sum of its proper divisors (1).

4312211243 is an equidigital number, since it uses as much as digits as its factorization.

4312211243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 23.

The square root of 4312211243 is about 65667.4290877905. The cubic root of 4312211243 is about 1627.6711876454.

Adding to 4312211243 its reverse (3421122134), we get a palindrome (7733333377).

The spelling of 4312211243 in words is "four billion, three hundred twelve million, two hundred eleven thousand, two hundred forty-three".