316611321 has 8 divisors (see below), whose sum is σ = 454621440. Its totient is φ = 194837712.

The previous prime is 316611313. The next prime is 316611329. The reversal of 316611321 is 123116613.

It is an interprime number because it is at equal distance from previous prime (316611313) and next prime (316611329).

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

It is not a de Polignac number, because 316611321 - 2³ = 316611313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 316611291 and 316611300.

It is not an unprimeable number, because it can be changed into a prime (316611329) 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, 4059081 + ... + 4059158.

It is an arithmetic number, because the mean of its divisors is an integer number (56827680).

Almost surely, 2^316611321 is an apocalyptic number.

It is an amenable number.

316611321 is a deficient number, since it is larger than the sum of its proper divisors (138010119).

316611321 is a wasteful number, since it uses less digits than its factorization.

316611321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8118255.

The product of its digits is 648, while the sum is 24.

The square root of 316611321 is about 17793.5752731147. The cubic root of 316611321 is about 681.5674058224.

Adding to 316611321 its reverse (123116613), we get a palindrome (439727934).

The spelling of 316611321 in words is "three hundred sixteen million, six hundred eleven thousand, three hundred twenty-one".