1305320510383 has 2 divisors, whose sum is σ = 1305320510384. Its totient is φ = 1305320510382.

The previous prime is 1305320510339. The next prime is 1305320510437. The reversal of 1305320510383 is 3830150235031.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1305320510383 is a prime.

It is a super-2 number, since 2×1305320510383² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1305320550383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652660255191 + 652660255192.

It is an arithmetic number, because the mean of its divisors is an integer number (652660255192).

Almost surely, 2^{1305320510383} is an apocalyptic number.

1305320510383 is a deficient number, since it is larger than the sum of its proper divisors (1).

1305320510383 is an equidigital number, since it uses as much as digits as its factorization.

1305320510383 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 34.

The spelling of 1305320510383 in words is "one trillion, three hundred five billion, three hundred twenty million, five hundred ten thousand, three hundred eighty-three".