213021020220313 has 32 divisors (see below), whose sum is σ = 217406108747520. Its totient is φ = 208690236733440.

The previous prime is 213021020220289. The next prime is 213021020220317. The reversal of 213021020220313 is 313022020120312.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213021020220313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213021020220317) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7670062095 + ... + 7670089867.

It is an arithmetic number, because the mean of its divisors is an integer number (6793940898360).

Almost surely, 2^{213021020220313} is an apocalyptic number.

It is an amenable number.

213021020220313 is a deficient number, since it is larger than the sum of its proper divisors (4385088527207).

213021020220313 is a wasteful number, since it uses less digits than its factorization.

213021020220313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29889.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 213021020220313 its reverse (313022020120312), we get a palindrome (526043040340625).

The spelling of 213021020220313 in words is "two hundred thirteen trillion, twenty-one billion, twenty million, two hundred twenty thousand, three hundred thirteen".