11243342331 has 24 divisors (see below), whose sum is σ = 17711046080. Its totient is φ = 6831392256.

The previous prime is 11243342323. The next prime is 11243342339. The reversal of 11243342331 is 13324334211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11243342323) and next prime (11243342339).

It is not a de Polignac number, because 11243342331 - 2³ = 11243342323 is a prime.

It is a super-2 number, since 2×11243342331² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11243342295 and 11243342304.

It is not an unprimeable number, because it can be changed into a prime (11243342339) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 598966 + ... + 617451.

Almost surely, 2^11243342331 is an apocalyptic number.

11243342331 is a deficient number, since it is larger than the sum of its proper divisors (6467703749).

11243342331 is a wasteful number, since it uses less digits than its factorization.

11243342331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216515 (or 1216512 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

Adding to 11243342331 its reverse (13324334211), we get a palindrome (24567676542).

The spelling of 11243342331 in words is "eleven billion, two hundred forty-three million, three hundred forty-two thousand, three hundred thirty-one".