316352213 has 4 divisors (see below), whose sum is σ = 327260940. Its totient is φ = 305443488.

The previous prime is 316352209. The next prime is 316352227. The reversal of 316352213 is 312253613.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 312253613 = 7 ⋅44607659.

It can be written as a sum of positive squares in 2 ways, for example, as 232776049 + 83576164 = 15257^2 + 9142^2 .

It is a cyclic number.

It is not a de Polignac number, because 316352213 - 2² = 316352209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316352263) 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, 5454320 + ... + 5454377.

It is an arithmetic number, because the mean of its divisors is an integer number (81815235).

Almost surely, 2^316352213 is an apocalyptic number.

It is an amenable number.

316352213 is a deficient number, since it is larger than the sum of its proper divisors (10908727).

316352213 is a wasteful number, since it uses less digits than its factorization.

316352213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10908726.

The product of its digits is 3240, while the sum is 26.

The square root of 316352213 is about 17786.2928402745. The cubic root of 316352213 is about 681.3814283028.

The spelling of 316352213 in words is "three hundred sixteen million, three hundred fifty-two thousand, two hundred thirteen".