515130315103 has 2 divisors, whose sum is σ = 515130315104. Its totient is φ = 515130315102.

The previous prime is 515130315079. The next prime is 515130315143. The reversal of 515130315103 is 301513031515.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 515130315103 - 2²⁹ = 514593444191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (515130315143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257565157551 + 257565157552.

It is an arithmetic number, because the mean of its divisors is an integer number (257565157552).

Almost surely, 2^515130315103 is an apocalyptic number.

515130315103 is a deficient number, since it is larger than the sum of its proper divisors (1).

515130315103 is an equidigital number, since it uses as much as digits as its factorization.

515130315103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3375, while the sum is 28.

Adding to 515130315103 its reverse (301513031515), we get a palindrome (816643346618).

The spelling of 515130315103 in words is "five hundred fifteen billion, one hundred thirty million, three hundred fifteen thousand, one hundred three".