313032212 has 24 divisors (see below), whose sum is σ = 564074280. Its totient is φ = 151907840.

The previous prime is 313032193. The next prime is 313032233. The reversal of 313032212 is 212230313.

It can be written as a sum of positive squares in 4 ways, for example, as 61999876 + 251032336 = 7874^2 + 15844^2 .

It is a super-2 number, since 2×313032212² = 195978331499225888, 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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27464 + ... + 37152.

It is an arithmetic number, because the mean of its divisors is an integer number (23503095).

Almost surely, 2^313032212 is an apocalyptic number.

It is an amenable number.

313032212 is a deficient number, since it is larger than the sum of its proper divisors (251042068).

313032212 is a wasteful number, since it uses less digits than its factorization.

313032212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9931 (or 9929 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 313032212 is about 17692.7163544776. The cubic root of 313032212 is about 678.9894244924.

Adding to 313032212 its reverse (212230313), we get a palindrome (525262525).

The spelling of 313032212 in words is "three hundred thirteen million, thirty-two thousand, two hundred twelve".