20301043313 has 2 divisors, whose sum is σ = 20301043314. Its totient is φ = 20301043312.

The previous prime is 20301043303. The next prime is 20301043327. The reversal of 20301043313 is 31334010302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15034928689 + 5266114624 = 122617^2 + 72568^2 .

It is a cyclic number.

It is not a de Polignac number, because 20301043313 - 2⁸ = 20301043057 is a prime.

It is not a weakly prime, because it can be changed into another prime (20301043303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10150521656 + 10150521657.

It is an arithmetic number, because the mean of its divisors is an integer number (10150521657).

Almost surely, 2^20301043313 is an apocalyptic number.

It is an amenable number.

20301043313 is a deficient number, since it is larger than the sum of its proper divisors (1).

20301043313 is an equidigital number, since it uses as much as digits as its factorization.

20301043313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20301043313 its reverse (31334010302), we get a palindrome (51635053615).

The spelling of 20301043313 in words is "twenty billion, three hundred one million, forty-three thousand, three hundred thirteen".