1306303442311 has 4 divisors (see below), whose sum is σ = 1492918219792. Its totient is φ = 1119688664832.

The previous prime is 1306303442293. The next prime is 1306303442347. The reversal of 1306303442311 is 1132443036031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1306303442311 - 2¹³ = 1306303434119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306303443311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93307388730 + ... + 93307388743.

It is an arithmetic number, because the mean of its divisors is an integer number (373229554948).

Almost surely, 2^{1306303442311} is an apocalyptic number.

1306303442311 is a deficient number, since it is larger than the sum of its proper divisors (186614777481).

1306303442311 is an equidigital number, since it uses as much as digits as its factorization.

1306303442311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186614777480.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 1306303442311 its reverse (1132443036031), we get a palindrome (2438746478342).

The spelling of 1306303442311 in words is "one trillion, three hundred six billion, three hundred three million, four hundred forty-two thousand, three hundred eleven".