11344221231 has 24 divisors (see below), whose sum is σ = 17603817984. Its totient is φ = 6479207280.

The previous prime is 11344221221. The next prime is 11344221241. The reversal of 11344221231 is 13212244311.

It is an interprime number because it is at equal distance from previous prime (11344221221) and next prime (11344221241).

It is not a de Polignac number, because 11344221231 - 2⁵ = 11344221199 is a prime.

It is a super-2 number, since 2×11344221231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11344221221) 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, 297016 + ... + 333026.

It is an arithmetic number, because the mean of its divisors is an integer number (733492416).

Almost surely, 2^11344221231 is an apocalyptic number.

11344221231 is a deficient number, since it is larger than the sum of its proper divisors (6259596753).

11344221231 is a wasteful number, since it uses less digits than its factorization.

11344221231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38171 (or 38164 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

Adding to 11344221231 its reverse (13212244311), we get a palindrome (24556465542).

The spelling of 11344221231 in words is "eleven billion, three hundred forty-four million, two hundred twenty-one thousand, two hundred thirty-one".