424240131 has 8 divisors (see below), whose sum is σ = 646461184. Its totient is φ = 242422920.

The previous prime is 424240121. The next prime is 424240139. The reversal of 424240131 is 131042424.

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

It is not a de Polignac number, because 424240131 - 2¹¹ = 424238083 is a prime.

It is a super-2 number, since 2×424240131² = 359959377501794322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 20201911 = 424240131 / (4 + 2 + 4 + 2 + 4 + 0 + 1 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 424240098 and 424240107.

It is not an unprimeable number, because it can be changed into a prime (424240139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10100935 + ... + 10100976.

It is an arithmetic number, because the mean of its divisors is an integer number (80807648).

Almost surely, 2^424240131 is an apocalyptic number.

424240131 is a deficient number, since it is larger than the sum of its proper divisors (222221053).

424240131 is a wasteful number, since it uses less digits than its factorization.

424240131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20201921.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 424240131 is about 20597.0903527658. The cubic root of 424240131 is about 751.3989480811.

Adding to 424240131 its reverse (131042424), we get a palindrome (555282555).

The spelling of 424240131 in words is "four hundred twenty-four million, two hundred forty thousand, one hundred thirty-one".