313220310212 has 12 divisors (see below), whose sum is σ = 548651199936. Its totient is φ = 156462824520.

The previous prime is 313220310157. The next prime is 313220310229. The reversal of 313220310212 is 212013022313.

It is a super-2 number, since 2×313220310212² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36827864 + ... + 36836367.

It is an arithmetic number, because the mean of its divisors is an integer number (45720933328).

Almost surely, 2^313220310212 is an apocalyptic number.

It is an amenable number.

313220310212 is a deficient number, since it is larger than the sum of its proper divisors (235430889724).

313220310212 is a wasteful number, since it uses less digits than its factorization.

313220310212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73665298 (or 73665296 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 313220310212 its reverse (212013022313), we get a palindrome (525233332525).

The spelling of 313220310212 in words is "three hundred thirteen billion, two hundred twenty million, three hundred ten thousand, two hundred twelve".