131224333 has 8 divisors (see below), whose sum is σ = 140129280. Its totient is φ = 122611440.

The previous prime is 131224307. The next prime is 131224339. The reversal of 131224333 is 333422131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131224333 - 2²¹ = 129127181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131224339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72085 + ... + 73882.

It is an arithmetic number, because the mean of its divisors is an integer number (17516160).

Almost surely, 2^131224333 is an apocalyptic number.

It is an amenable number.

131224333 is a deficient number, since it is larger than the sum of its proper divisors (8904947).

131224333 is a wasteful number, since it uses less digits than its factorization.

131224333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146027.

The product of its digits is 1296, while the sum is 22.

The square root of 131224333 is about 11455.3189829005. The cubic root of 131224333 is about 508.1650488252.

Adding to 131224333 its reverse (333422131), we get a palindrome (464646464).

The spelling of 131224333 in words is "one hundred thirty-one million, two hundred twenty-four thousand, three hundred thirty-three".