520301223313 has 2 divisors, whose sum is σ = 520301223314. Its totient is φ = 520301223312.

The previous prime is 520301223283. The next prime is 520301223349. The reversal of 520301223313 is 313322103025.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 315465325569 + 204835897744 = 561663^2 + 452588^2 .

It is a cyclic number.

It is not a de Polignac number, because 520301223313 - 2²⁵ = 520267668881 is a prime.

It is not a weakly prime, because it can be changed into another prime (520301223353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260150611656 + 260150611657.

It is an arithmetic number, because the mean of its divisors is an integer number (260150611657).

Almost surely, 2^520301223313 is an apocalyptic number.

It is an amenable number.

520301223313 is a deficient number, since it is larger than the sum of its proper divisors (1).

520301223313 is an equidigital number, since it uses as much as digits as its factorization.

520301223313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 25.

Adding to 520301223313 its reverse (313322103025), we get a palindrome (833623326338).

The spelling of 520301223313 in words is "five hundred twenty billion, three hundred one million, two hundred twenty-three thousand, three hundred thirteen".