316331845 has 8 divisors (see below), whose sum is σ = 379962360. Its totient is φ = 252822720.

The previous prime is 316331839. The next prime is 316331881. The reversal of 316331845 is 548133613.

It can be written as a sum of positive squares in 4 ways, for example, as 52041796 + 264290049 = 7214^2 + 16257^2 .

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

It is not a de Polignac number, because 316331845 - 2³ = 316331837 is a prime.

It is a super-2 number, since 2×316331845² = 200131672322208050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 316331845.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24510 + ... + 35119.

It is an arithmetic number, because the mean of its divisors is an integer number (47495295).

Almost surely, 2^316331845 is an apocalyptic number.

It is an amenable number.

316331845 is a deficient number, since it is larger than the sum of its proper divisors (63630515).

316331845 is a wasteful number, since it uses less digits than its factorization.

316331845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60695.

The product of its digits is 25920, while the sum is 34.

The square root of 316331845 is about 17785.7202553059. The cubic root of 316331845 is about 681.3668046500.

The spelling of 316331845 in words is "three hundred sixteen million, three hundred thirty-one thousand, eight hundred forty-five".