1311330424 has 32 divisors (see below), whose sum is σ = 2475673200. Its totient is φ = 651168000.

The previous prime is 1311330407. The next prime is 1311330437. The reversal of 1311330424 is 4240331131.

It is a junction number, because it is equal to n+sod(n) for n = 1311330395 and 1311330404.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 916942 + ... + 918370.

Almost surely, 2^1311330424 is an apocalyptic number.

It is an amenable number.

1311330424 is a deficient number, since it is larger than the sum of its proper divisors (1164342776).

1311330424 is a wasteful number, since it uses less digits than its factorization.

1311330424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2143 (or 2139 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1311330424 is about 36212.2965855523. The cubic root of 1311330424 is about 1094.5544705149.

Adding to 1311330424 its reverse (4240331131), we get a palindrome (5551661555).

The spelling of 1311330424 in words is "one billion, three hundred eleven million, three hundred thirty thousand, four hundred twenty-four".