11223344031 has 16 divisors (see below), whose sum is σ = 15169566720. Its totient is φ = 7380292320.

The previous prime is 11223344009. The next prime is 11223344117. The reversal of 11223344031 is 13044332211.

It is a happy number.

It is not a de Polignac number, because 11223344031 - 2⁹ = 11223343519 is a prime.

It is a super-2 number, since 2×11223344031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11223343992 and 11223344010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11223340031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4035 + ... + 149876.

It is an arithmetic number, because the mean of its divisors is an integer number (948097920).

Almost surely, 2^11223344031 is an apocalyptic number.

11223344031 is a deficient number, since it is larger than the sum of its proper divisors (3946222689).

11223344031 is a wasteful number, since it uses less digits than its factorization.

11223344031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154246.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 11223344031 its reverse (13044332211), we get a palindrome (24267676242).

The spelling of 11223344031 in words is "eleven billion, two hundred twenty-three million, three hundred forty-four thousand, thirty-one".