1302331303313 has 4 divisors (see below), whose sum is σ = 1302397968948. Its totient is φ = 1302264637680.

The previous prime is 1302331303279. The next prime is 1302331303369. The reversal of 1302331303313 is 3133031332031.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 901069867009 + 401261436304 = 949247^2 + 633452^2 .

It is a cyclic number.

It is not a de Polignac number, because 1302331303313 - 2⁶ = 1302331303249 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1302331303373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33303506 + ... + 33342587.

It is an arithmetic number, because the mean of its divisors is an integer number (325599492237).

Almost surely, 2^{1302331303313} is an apocalyptic number.

It is an amenable number.

1302331303313 is a deficient number, since it is larger than the sum of its proper divisors (66665635).

1302331303313 is an equidigital number, since it uses as much as digits as its factorization.

1302331303313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66665634.

The product of its (nonzero) digits is 4374, while the sum is 26.

Adding to 1302331303313 its reverse (3133031332031), we get a palindrome (4435362635344).

The spelling of 1302331303313 in words is "one trillion, three hundred two billion, three hundred thirty-one million, three hundred three thousand, three hundred thirteen".