313543212 has 12 divisors (see below), whose sum is σ = 731600856. Its totient is φ = 104514400.

The previous prime is 313543211. The next prime is 313543231. The reversal of 313543212 is 212345313.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (313543211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13064289 + ... + 13064312.

It is an arithmetic number, because the mean of its divisors is an integer number (60966738).

Almost surely, 2^313543212 is an apocalyptic number.

It is an amenable number.

313543212 is an abundant number, since it is smaller than the sum of its proper divisors (418057644).

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

313543212 is a wasteful number, since it uses less digits than its factorization.

313543212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26128608 (or 26128606 counting only the distinct ones).

The product of its digits is 2160, while the sum is 24.

The square root of 313543212 is about 17707.1514366371. The cubic root of 313543212 is about 679.3586889077.

Adding to 313543212 its reverse (212345313), we get a palindrome (525888525).

The spelling of 313543212 in words is "three hundred thirteen million, five hundred forty-three thousand, two hundred twelve".