1313202030208 has 16 divisors (see below), whose sum is σ = 2616144669810. Its totient is φ = 656601015040.

The previous prime is 1313202030197. The next prime is 1313202030209. The reversal of 1313202030208 is 8020302023131.

It can be written as a sum of positive squares in only one way, i.e., 1021247682624 + 291954347584 = 1010568^2 + 540328^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (1313202030209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5129695303 + ... + 5129695558.

Almost surely, 2^{1313202030208} is an apocalyptic number.

It is an amenable number.

1313202030208 is a deficient number, since it is larger than the sum of its proper divisors (1302942639602).

1313202030208 is an equidigital number, since it uses as much as digits as its factorization.

1313202030208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10259390875 (or 10259390863 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 1313202030208 its reverse (8020302023131), we get a palindrome (9333504053339).

The spelling of 1313202030208 in words is "one trillion, three hundred thirteen billion, two hundred two million, thirty thousand, two hundred eight".