11344221033431 has 48 divisors (see below), whose sum is σ = 13502435395680. Its totient is φ = 9396234608640.

The previous prime is 11344221033413. The next prime is 11344221033503. The reversal of 11344221033431 is 13433012244311.

It is a de Polignac number, because none of the positive numbers 2^k-11344221033431 is a prime.

It is a super-2 number, since 2×11344221033431² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11344221033031) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 671684435 + ... + 671701323.

It is an arithmetic number, because the mean of its divisors is an integer number (281300737410).

Almost surely, 2^{11344221033431} is an apocalyptic number.

11344221033431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11344221033431 is a deficient number, since it is larger than the sum of its proper divisors (2158214362249).

11344221033431 is a wasteful number, since it uses less digits than its factorization.

11344221033431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17684 (or 17595 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 11344221033431 its reverse (13433012244311), we get a palindrome (24777233277742).

The spelling of 11344221033431 in words is "eleven trillion, three hundred forty-four billion, two hundred twenty-one million, thirty-three thousand, four hundred thirty-one".