1300003011321 has 16 divisors (see below), whose sum is σ = 1981214383104. Its totient is φ = 742762333584.

The previous prime is 1300003011283. The next prime is 1300003011379. The reversal of 1300003011321 is 1231103000031.

It is not a de Polignac number, because 1300003011321 - 2¹⁰ = 1300003010297 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1300003011321.

It is not an unprimeable number, because it can be changed into a prime (1300003015321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3856471 + ... + 4179996.

It is an arithmetic number, because the mean of its divisors is an integer number (123825898944).

Almost surely, 2^{1300003011321} is an apocalyptic number.

It is an amenable number.

1300003011321 is a deficient number, since it is larger than the sum of its proper divisors (681211371783).

1300003011321 is an equidigital number, since it uses as much as digits as its factorization.

1300003011321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8044180.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 1300003011321 its reverse (1231103000031), we get a palindrome (2531106011352).

The spelling of 1300003011321 in words is "one trillion, three hundred billion, three million, eleven thousand, three hundred twenty-one".