1424235231 has 40 divisors (see below), whose sum is σ = 2371319280. Its totient is φ = 846588672.

The previous prime is 1424235229. The next prime is 1424235247. The reversal of 1424235231 is 1325324241.

1424235231 is a `hidden beast` number, since 1 + 4 + 2 + 423 + 5 + 231 = 666.

It is not a de Polignac number, because 1424235231 - 2¹ = 1424235229 is a prime.

It is a super-2 number, since 2×1424235231² = 4056891986443246722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1424235195 and 1424235204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1424235251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1056 + ... + 53381.

It is an arithmetic number, because the mean of its divisors is an integer number (59282982).

Almost surely, 2^1424235231 is an apocalyptic number.

1424235231 is a deficient number, since it is larger than the sum of its proper divisors (947084049).

1424235231 is a wasteful number, since it uses less digits than its factorization.

1424235231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54485 (or 54476 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 1424235231 is about 37739.0412040370. The cubic root of 1424235231 is about 1125.1072111159.

Adding to 1424235231 its reverse (1325324241), we get a palindrome (2749559472).

The spelling of 1424235231 in words is "one billion, four hundred twenty-four million, two hundred thirty-five thousand, two hundred thirty-one".