520315142203 has 2 divisors, whose sum is σ = 520315142204. Its totient is φ = 520315142202.

The previous prime is 520315142197. The next prime is 520315142213. The reversal of 520315142203 is 302241513025.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 520315142203 - 2²¹ = 520313045051 is a prime.

It is a super-2 number, since 2×520315142203² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (520315142213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260157571101 + 260157571102.

It is an arithmetic number, because the mean of its divisors is an integer number (260157571102).

Almost surely, 2^520315142203 is an apocalyptic number.

520315142203 is a deficient number, since it is larger than the sum of its proper divisors (1).

520315142203 is an equidigital number, since it uses as much as digits as its factorization.

520315142203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 520315142203 its reverse (302241513025), we get a palindrome (822556655228).

The spelling of 520315142203 in words is "five hundred twenty billion, three hundred fifteen million, one hundred forty-two thousand, two hundred three".