201131224 has 32 divisors (see below), whose sum is σ = 444902400. Its totient is φ = 83417760.

The previous prime is 201131219. The next prime is 201131257. The reversal of 201131224 is 422131102.

It is a junction number, because it is equal to n+sod(n) for n = 201131198 and 201131207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56194 + ... + 59665.

It is an arithmetic number, because the mean of its divisors is an integer number (13903200).

Almost surely, 2^201131224 is an apocalyptic number.

It is an amenable number.

201131224 is an abundant number, since it is smaller than the sum of its proper divisors (243771176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201131224 is a wasteful number, since it uses less digits than its factorization.

201131224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115903 (or 115899 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 201131224 is about 14182.0740373191. The cubic root of 201131224 is about 585.9040484023.

Adding to 201131224 its reverse (422131102), we get a palindrome (623262326).

The spelling of 201131224 in words is "two hundred one million, one hundred thirty-one thousand, two hundred twenty-four".