315444113 has 8 divisors (see below), whose sum is σ = 317551560. Its totient is φ = 313344000.

The previous prime is 315444091. The next prime is 315444131. The reversal of 315444113 is 311444513.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 219247249 + 96196864 = 14807^2 + 9808^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 315444113 - 2²⁰ = 314395537 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (315444413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103613 + ... + 106613.

It is an arithmetic number, because the mean of its divisors is an integer number (39693945).

Almost surely, 2^315444113 is an apocalyptic number.

It is an amenable number.

315444113 is a deficient number, since it is larger than the sum of its proper divisors (2107447).

315444113 is a wasteful number, since it uses less digits than its factorization.

315444113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3667.

The product of its digits is 2880, while the sum is 26.

The square root of 315444113 is about 17760.7464088647. The cubic root of 315444113 is about 680.7288271247.

Adding to 315444113 its reverse (311444513), we get a palindrome (626888626).

The spelling of 315444113 in words is "three hundred fifteen million, four hundred forty-four thousand, one hundred thirteen".