1300530272321 has 30 divisors (see below), whose sum is σ = 1534864334130. Its totient is φ = 1101768278688.

The previous prime is 1300530272207. The next prime is 1300530272341. The reversal of 1300530272321 is 1232720350031.

It can be written as a sum of positive squares in only one way, i.e., 935212780096 + 365317492225 = 967064^2 + 604415^2 .

It is not a de Polignac number, because 1300530272321 - 2²⁶ = 1300463163457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1300530272341) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 527169530 + ... + 527171996.

It is an arithmetic number, because the mean of its divisors is an integer number (51162144471).

Almost surely, 2^{1300530272321} is an apocalyptic number.

It is an amenable number.

1300530272321 is a deficient number, since it is larger than the sum of its proper divisors (234334061809).

1300530272321 is an frugal number, since it uses more digits than its factorization.

1300530272321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5051 (or 2563 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 29.

The spelling of 1300530272321 in words is "one trillion, three hundred billion, five hundred thirty million, two hundred seventy-two thousand, three hundred twenty-one".