1321330034 has 24 divisors (see below), whose sum is σ = 2100235068. Its totient is φ = 623370240.

The previous prime is 1321330033. The next prime is 1321330039. The reversal of 1321330034 is 4300331231.

It can be written as a sum of positive squares in 2 ways, for example, as 1321104409 + 225625 = 36347^2 + 475^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1321329988 and 1321330015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321330033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181994 + ... + 189114.

Almost surely, 2^1321330034 is an apocalyptic number.

1321330034 is a deficient number, since it is larger than the sum of its proper divisors (778905034).

1321330034 is a wasteful number, since it uses less digits than its factorization.

1321330034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7418 (or 7399 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1321330034 is about 36350.1036312140. The cubic root of 1321330034 is about 1097.3296201039.

Adding to 1321330034 its reverse (4300331231), we get a palindrome (5621661265).

The spelling of 1321330034 in words is "one billion, three hundred twenty-one million, three hundred thirty thousand, thirty-four".