315538103 has 2 divisors, whose sum is σ = 315538104. Its totient is φ = 315538102.

The previous prime is 315538043. The next prime is 315538121. The reversal of 315538103 is 301835513.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 315538103 - 2⁸ = 315537847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315538123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157769051 + 157769052.

It is an arithmetic number, because the mean of its divisors is an integer number (157769052).

Almost surely, 2^315538103 is an apocalyptic number.

315538103 is a deficient number, since it is larger than the sum of its proper divisors (1).

315538103 is an equidigital number, since it uses as much as digits as its factorization.

315538103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 315538103 is about 17763.3922154525. The cubic root of 315538103 is about 680.7964305936.

The spelling of 315538103 in words is "three hundred fifteen million, five hundred thirty-eight thousand, one hundred three".