1431120424 has 16 divisors (see below), whose sum is σ = 2689554420. Its totient is φ = 713905920.

The previous prime is 1431120389. The next prime is 1431120433. The reversal of 1431120424 is 4240211341.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 956664900 + 474455524 = 30930^2 + 21782^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1431120395 and 1431120404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203107 + ... + 210034.

Almost surely, 2^1431120424 is an apocalyptic number.

It is an amenable number.

1431120424 is a deficient number, since it is larger than the sum of its proper divisors (1258433996).

1431120424 is a wasteful number, since it uses less digits than its factorization.

1431120424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413580 (or 413576 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1431120424 is about 37830.1523126725. The cubic root of 1431120424 is about 1126.9173359286.

Adding to 1431120424 its reverse (4240211341), we get a palindrome (5671331765).

The spelling of 1431120424 in words is "one billion, four hundred thirty-one million, one hundred twenty thousand, four hundred twenty-four".