315441361 has 4 divisors (see below), whose sum is σ = 315612724. Its totient is φ = 315270000.

The previous prime is 315441359. The next prime is 315441367. The reversal of 315441361 is 163144513.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 106812225 + 208629136 = 10335^2 + 14444^2 .

It is a cyclic number.

It is not a de Polignac number, because 315441361 - 2¹ = 315441359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315441367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82890 + ... + 86611.

It is an arithmetic number, because the mean of its divisors is an integer number (78903181).

Almost surely, 2^315441361 is an apocalyptic number.

It is an amenable number.

315441361 is a deficient number, since it is larger than the sum of its proper divisors (171363).

315441361 is a wasteful number, since it uses less digits than its factorization.

315441361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171362.

The product of its digits is 4320, while the sum is 28.

The square root of 315441361 is about 17760.6689344743. The cubic root of 315441361 is about 680.7268475123.

Adding to 315441361 its reverse (163144513), we get a palindrome (478585874).

The spelling of 315441361 in words is "three hundred fifteen million, four hundred forty-one thousand, three hundred sixty-one".