316340212 has 6 divisors (see below), whose sum is σ = 553595378. Its totient is φ = 158170104.

The previous prime is 316340203. The next prime is 316340243. The reversal of 316340212 is 212043613.

It can be written as a sum of positive squares in only one way, i.e., 305410576 + 10929636 = 17476^2 + 3306^2 .

It is a super-2 number, since 2×316340212² = 200142259456409888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39542523 + ... + 39542530.

Almost surely, 2^316340212 is an apocalyptic number.

It is an amenable number.

316340212 is a deficient number, since it is larger than the sum of its proper divisors (237255166).

316340212 is a wasteful number, since it uses less digits than its factorization.

316340212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79085057 (or 79085055 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 316340212 is about 17785.9554705391. The cubic root of 316340212 is about 681.3728119973.

Adding to 316340212 its reverse (212043613), we get a palindrome (528383825).

The spelling of 316340212 in words is "three hundred sixteen million, three hundred forty thousand, two hundred twelve".