224131131 has 20 divisors (see below), whose sum is σ = 382644592. Its totient is φ = 128074608.

The previous prime is 224131121. The next prime is 224131157. The reversal of 224131131 is 131131422.

It is not a de Polignac number, because 224131131 - 2⁷ = 224131003 is a prime.

It is a super-3 number, since 3×224131131³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224131121) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 197080 + ... + 198213.

Almost surely, 2^224131131 is an apocalyptic number.

224131131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

224131131 is a deficient number, since it is larger than the sum of its proper divisors (158513461).

224131131 is an equidigital number, since it uses as much as digits as its factorization.

224131131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395312 (or 395303 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 224131131 is about 14971.0096853886. The cubic root of 224131131 is about 607.4362804682.

Adding to 224131131 its reverse (131131422), we get a palindrome (355262553).

The spelling of 224131131 in words is "two hundred twenty-four million, one hundred thirty-one thousand, one hundred thirty-one".