1305630665301 has 4 divisors (see below), whose sum is σ = 1740840887072. Its totient is φ = 870420443532.

The previous prime is 1305630665281. The next prime is 1305630665309. The reversal of 1305630665301 is 1035660365031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1305630665301 - 2²⁷ = 1305496447573 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1305630665301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1305630665309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217605110881 + ... + 217605110886.

It is an arithmetic number, because the mean of its divisors is an integer number (435210221768).

Almost surely, 2^{1305630665301} is an apocalyptic number.

It is an amenable number.

1305630665301 is a deficient number, since it is larger than the sum of its proper divisors (435210221771).

1305630665301 is an equidigital number, since it uses as much as digits as its factorization.

1305630665301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435210221770.

The product of its (nonzero) digits is 145800, while the sum is 39.

The spelling of 1305630665301 in words is "one trillion, three hundred five billion, six hundred thirty million, six hundred sixty-five thousand, three hundred one".