13021020313 has 8 divisors (see below), whose sum is σ = 14998341632. Its totient is φ = 11072992896.

The previous prime is 13021020251. The next prime is 13021020317. The reversal of 13021020313 is 31302012031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13021020313 - 2²⁹ = 12484149401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13021020317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7322520 + ... + 7324297.

It is an arithmetic number, because the mean of its divisors is an integer number (1874792704).

Almost surely, 2^13021020313 is an apocalyptic number.

It is an amenable number.

13021020313 is a deficient number, since it is larger than the sum of its proper divisors (1977321319).

13021020313 is a wasteful number, since it uses less digits than its factorization.

13021020313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14646951.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 13021020313 its reverse (31302012031), we get a palindrome (44323032344).

The spelling of 13021020313 in words is "thirteen billion, twenty-one million, twenty thousand, three hundred thirteen".