1303310202113 has 4 divisors (see below), whose sum is σ = 1303360276548. Its totient is φ = 1303260127680.

The previous prime is 1303310202043. The next prime is 1303310202121. The reversal of 1303310202113 is 3112020133031.

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 800135617009 + 503174585104 = 894503^2 + 709348^2 .

It is a cyclic number.

It is not a de Polignac number, because 1303310202113 - 2¹² = 1303310198017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1303310202133) 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, 24998156 + ... + 25050237.

It is an arithmetic number, because the mean of its divisors is an integer number (325840069137).

Almost surely, 2^{1303310202113} is an apocalyptic number.

It is an amenable number.

1303310202113 is a deficient number, since it is larger than the sum of its proper divisors (50074435).

1303310202113 is an equidigital number, since it uses as much as digits as its factorization.

1303310202113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50074434.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1303310202113 its reverse (3112020133031), we get a palindrome (4415330335144).

The spelling of 1303310202113 in words is "one trillion, three hundred three billion, three hundred ten million, two hundred two thousand, one hundred thirteen".