316442241 has 16 divisors (see below), whose sum is σ = 481475200. Its totient is φ = 205259184.

The previous prime is 316442239. The next prime is 316442263. The reversal of 316442241 is 142244613.

It is a happy number.

It is not a de Polignac number, because 316442241 - 2¹ = 316442239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (316442041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157381 + ... + 159378.

It is an arithmetic number, because the mean of its divisors is an integer number (30092200).

Almost surely, 2^316442241 is an apocalyptic number.

It is an amenable number.

316442241 is a deficient number, since it is larger than the sum of its proper divisors (165032959).

316442241 is a wasteful number, since it uses less digits than its factorization.

316442241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316805 (or 316799 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 316442241 is about 17788.8234855484. The cubic root of 316442241 is about 681.4460583645.

Adding to 316442241 its reverse (142244613), we get a palindrome (458686854).

The spelling of 316442241 in words is "three hundred sixteen million, four hundred forty-two thousand, two hundred forty-one".