313243212 has 24 divisors (see below), whose sum is σ = 731246656. Its totient is φ = 104365008.

The previous prime is 313243159. The next prime is 313243223. The reversal of 313243212 is 212342313.

It is a nude number because it is divisible by every one of its digits.

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, 27663 + ... + 37305.

Almost surely, 2^313243212 is an apocalyptic number.

It is an amenable number.

313243212 is an abundant number, since it is smaller than the sum of its proper divisors (418003444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313243212 is a wasteful number, since it uses less digits than its factorization.

313243212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12357 (or 12355 counting only the distinct ones).

The product of its digits is 864, while the sum is 21.

The square root of 313243212 is about 17698.6782557342. The cubic root of 313243212 is about 679.1419482960.

Adding to 313243212 its reverse (212342313), we get a palindrome (525585525).

The spelling of 313243212 in words is "three hundred thirteen million, two hundred forty-three thousand, two hundred twelve".