1305630101321 has 8 divisors (see below), whose sum is σ = 1606929355584. Its totient is φ = 1033026014160.

The previous prime is 1305630101257. The next prime is 1305630101327. The reversal of 1305630101321 is 1231010365031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1305630101321 - 2⁶ = 1305630101257 is a prime.

It is a super-2 number, since 2×1305630101321² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1305630101327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7173791675 + ... + 7173791856.

It is an arithmetic number, because the mean of its divisors is an integer number (200866169448).

Almost surely, 2^{1305630101321} is an apocalyptic number.

It is an amenable number.

1305630101321 is a deficient number, since it is larger than the sum of its proper divisors (301299254263).

1305630101321 is a wasteful number, since it uses less digits than its factorization.

1305630101321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14347583551.

The product of its (nonzero) digits is 1620, while the sum is 26.

Adding to 1305630101321 its reverse (1231010365031), we get a palindrome (2536640466352).

The spelling of 1305630101321 in words is "one trillion, three hundred five billion, six hundred thirty million, one hundred one thousand, three hundred twenty-one".