315030137 has 2 divisors, whose sum is σ = 315030138. Its totient is φ = 315030136.

The previous prime is 315030119. The next prime is 315030151. The reversal of 315030137 is 731030513.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 315027001 + 3136 = 17749^2 + 56^2 .

It is an emirp because it is prime and its reverse (731030513) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 315030137 - 2¹⁸ = 314767993 is a prime.

It is not a weakly prime, because it can be changed into another prime (315030167) 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, 157515068 + 157515069.

It is an arithmetic number, because the mean of its divisors is an integer number (157515069).

Almost surely, 2^315030137 is an apocalyptic number.

It is an amenable number.

315030137 is a deficient number, since it is larger than the sum of its proper divisors (1).

315030137 is an equidigital number, since it uses as much as digits as its factorization.

315030137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 945, while the sum is 23.

The square root of 315030137 is about 17749.0883427854. The cubic root of 315030137 is about 680.4309098371.

The spelling of 315030137 in words is "three hundred fifteen million, thirty thousand, one hundred thirty-seven".