316281601 has 4 divisors (see below), whose sum is σ = 319413204. Its totient is φ = 313150000.

The previous prime is 316281593. The next prime is 316281611. The reversal of 316281601 is 106182613.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 106182613 = 101 ⋅1051313.

It can be written as a sum of positive squares in 2 ways, for example, as 219750976 + 96530625 = 14824^2 + 9825^2 .

It is a cyclic number.

It is not a de Polignac number, because 316281601 - 2³ = 316281593 is a prime.

It is a super-2 number, since 2×316281601² = 200068102262246402, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 316281601.

It is not an unprimeable number, because it can be changed into a prime (316281611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1565650 + ... + 1565851.

It is an arithmetic number, because the mean of its divisors is an integer number (79853301).

Almost surely, 2^316281601 is an apocalyptic number.

It is an amenable number.

316281601 is a deficient number, since it is larger than the sum of its proper divisors (3131603).

316281601 is a wasteful number, since it uses less digits than its factorization.

316281601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3131602.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 316281601 is about 17784.3077177606. The cubic root of 316281601 is about 681.3307281827.

The spelling of 316281601 in words is "three hundred sixteen million, two hundred eighty-one thousand, six hundred one".