1330520312305 has 32 divisors (see below), whose sum is σ = 1647417867264. Its totient is φ = 1031033442816.

The previous prime is 1330520312299. The next prime is 1330520312309. The reversal of 1330520312305 is 5032130250331.

It is a cyclic number.

It is not a de Polignac number, because 1330520312305 - 2²¹ = 1330518215153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1330520312309) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42415687 + ... + 42447043.

It is an arithmetic number, because the mean of its divisors is an integer number (51481808352).

Almost surely, 2^{1330520312305} is an apocalyptic number.

It is an amenable number.

1330520312305 is a deficient number, since it is larger than the sum of its proper divisors (316897554959).

1330520312305 is a wasteful number, since it uses less digits than its factorization.

1330520312305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33265.

The product of its (nonzero) digits is 8100, while the sum is 28.

Adding to 1330520312305 its reverse (5032130250331), we get a palindrome (6362650562636).

The spelling of 1330520312305 in words is "one trillion, three hundred thirty billion, five hundred twenty million, three hundred twelve thousand, three hundred five".