131224043 has 8 divisors (see below), whose sum is σ = 135904080. Its totient is φ = 126554400.

The previous prime is 131224021. The next prime is 131224057. The reversal of 131224043 is 340422131.

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 131224043 - 2¹⁰ = 131223019 is a prime.

It is a super-2 number, since 2×131224043² = 34439498922531698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131224063) 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, 30368 + ... + 34418.

It is an arithmetic number, because the mean of its divisors is an integer number (16988010).

Almost surely, 2^131224043 is an apocalyptic number.

131224043 is a deficient number, since it is larger than the sum of its proper divisors (4680037).

131224043 is a wasteful number, since it uses less digits than its factorization.

131224043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5197.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 131224043 is about 11455.3063250181. The cubic root of 131224043 is about 508.1646744841.

Adding to 131224043 its reverse (340422131), we get a palindrome (471646174).

The spelling of 131224043 in words is "one hundred thirty-one million, two hundred twenty-four thousand, forty-three".