20031300310213 has 2 divisors, whose sum is σ = 20031300310214. Its totient is φ = 20031300310212.

The previous prime is 20031300310207. The next prime is 20031300310247. The reversal of 20031300310213 is 31201300313002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19115101014724 + 916199295489 = 4372082^2 + 957183^2 .

It is a cyclic number.

It is not a de Polignac number, because 20031300310213 - 2¹³ = 20031300302021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20031300310013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10015650155106 + 10015650155107.

It is an arithmetic number, because the mean of its divisors is an integer number (10015650155107).

Almost surely, 2^{20031300310213} is an apocalyptic number.

It is an amenable number.

20031300310213 is a deficient number, since it is larger than the sum of its proper divisors (1).

20031300310213 is an equidigital number, since it uses as much as digits as its factorization.

20031300310213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 20031300310213 its reverse (31201300313002), we get a palindrome (51232600623215).

The spelling of 20031300310213 in words is "twenty trillion, thirty-one billion, three hundred million, three hundred ten thousand, two hundred thirteen".