2311243412 has 24 divisors (see below), whose sum is σ = 4259270400. Its totient is φ = 1095231456.

The previous prime is 2311243397. The next prime is 2311243423. The reversal of 2311243412 is 2143421132.

It is a super-2 number, since 2×2311243412² = 10683692219026803488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105212 + ... + 125267.

It is an arithmetic number, because the mean of its divisors is an integer number (177469600).

Almost surely, 2^2311243412 is an apocalyptic number.

It is an amenable number.

2311243412 is a deficient number, since it is larger than the sum of its proper divisors (1948026988).

2311243412 is a wasteful number, since it uses less digits than its factorization.

2311243412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230615 (or 230613 counting only the distinct ones).

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

The square root of 2311243412 is about 48075.3929989137. The cubic root of 2311243412 is about 1322.1535499720.

Adding to 2311243412 its reverse (2143421132), we get a palindrome (4454664544).

The spelling of 2311243412 in words is "two billion, three hundred eleven million, two hundred forty-three thousand, four hundred twelve".