1331004424 has 16 divisors (see below), whose sum is σ = 2496794220. Its totient is φ = 665192640.

The previous prime is 1331004377. The next prime is 1331004461. The reversal of 1331004424 is 4244001331.

It can be written as a sum of positive squares in 2 ways, for example, as 1121044324 + 209960100 = 33482^2 + 14490^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1331004395 and 1331004404.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19887 + ... + 55294.

Almost surely, 2^1331004424 is an apocalyptic number.

It is an amenable number.

1331004424 is a deficient number, since it is larger than the sum of its proper divisors (1165789796).

1331004424 is a wasteful number, since it uses less digits than its factorization.

1331004424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77400 (or 77396 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1331004424 is about 36482.9333250494. The cubic root of 1331004424 is about 1100.0012187314.

Adding to 1331004424 its reverse (4244001331), we get a palindrome (5575005755).

The spelling of 1331004424 in words is "one billion, three hundred thirty-one million, four thousand, four hundred twenty-four".