315024109 has 2 divisors, whose sum is σ = 315024110. Its totient is φ = 315024108.

The previous prime is 315024041. The next prime is 315024119. The reversal of 315024109 is 901420513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 283417225 + 31606884 = 16835^2 + 5622^2 .

It is a cyclic number.

It is not a de Polignac number, because 315024109 - 2¹³ = 315015917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315024119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157512054 + 157512055.

It is an arithmetic number, because the mean of its divisors is an integer number (157512055).

Almost surely, 2^315024109 is an apocalyptic number.

It is an amenable number.

315024109 is a deficient number, since it is larger than the sum of its proper divisors (1).

315024109 is an equidigital number, since it uses as much as digits as its factorization.

315024109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 315024109 is about 17748.9185304345. The cubic root of 315024109 is about 680.4265698675.

The spelling of 315024109 in words is "three hundred fifteen million, twenty-four thousand, one hundred nine".