315301123 has 2 divisors, whose sum is σ = 315301124. Its totient is φ = 315301122.

The previous prime is 315301097. The next prime is 315301141. The reversal of 315301123 is 321103513.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 315301123 - 2²⁵ = 281746691 is a prime.

It is a super-2 number, since 2×315301123² = 198829596330122258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 315301123.

It is not a weakly prime, because it can be changed into another prime (315301223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157650561 + 157650562.

It is an arithmetic number, because the mean of its divisors is an integer number (157650562).

Almost surely, 2^315301123 is an apocalyptic number.

315301123 is a deficient number, since it is larger than the sum of its proper divisors (1).

315301123 is an equidigital number, since it uses as much as digits as its factorization.

315301123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 315301123 is about 17756.7205023901. The cubic root of 315301123 is about 680.6259540406.

Adding to 315301123 its reverse (321103513), we get a palindrome (636404636).

The spelling of 315301123 in words is "three hundred fifteen million, three hundred one thousand, one hundred twenty-three".