2312611243 has 2 divisors, whose sum is σ = 2312611244. Its totient is φ = 2312611242.

The previous prime is 2312611211. The next prime is 2312611261. The reversal of 2312611243 is 3421162132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2312611243 - 2⁵ = 2312611211 is a prime.

It is a super-2 number, since 2×2312611243² = 10696341522500010098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2312611283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156305621 + 1156305622.

It is an arithmetic number, because the mean of its divisors is an integer number (1156305622).

Almost surely, 2^2312611243 is an apocalyptic number.

2312611243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2312611243 is an equidigital number, since it uses as much as digits as its factorization.

2312611243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 25.

The square root of 2312611243 is about 48089.6167899059. The cubic root of 2312611243 is about 1322.4143224429.

Adding to 2312611243 its reverse (3421162132), we get a palindrome (5733773375).

The spelling of 2312611243 in words is "two billion, three hundred twelve million, six hundred eleven thousand, two hundred forty-three".