11233240331 has 4 divisors (see below), whose sum is σ = 11894019192. Its totient is φ = 10572461472.

The previous prime is 11233240327. The next prime is 11233240339. The reversal of 11233240331 is 13304233211.

11233240331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11233240331 - 2² = 11233240327 is a prime.

It is a super-2 number, since 2×11233240331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11233240297 and 11233240306.

It is not an unprimeable number, because it can be changed into a prime (11233240339) 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 in 3 ways as a sum of consecutive naturals, for example, 330389405 + ... + 330389438.

It is an arithmetic number, because the mean of its divisors is an integer number (2973504798).

Almost surely, 2^11233240331 is an apocalyptic number.

11233240331 is a deficient number, since it is larger than the sum of its proper divisors (660778861).

11233240331 is an equidigital number, since it uses as much as digits as its factorization.

11233240331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660778860.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 11233240331 its reverse (13304233211), we get a palindrome (24537473542).

The spelling of 11233240331 in words is "eleven billion, two hundred thirty-three million, two hundred forty thousand, three hundred thirty-one".