313323221113212 has 24 divisors (see below), whose sum is σ = 734552385680512. Its totient is φ = 103946092311600.

The previous prime is 313323221113157. The next prime is 313323221113223. The reversal of 313323221113212 is 212311122323313.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 313323221113212.

It is a congruent number.

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, 61872671464 + ... + 61872676527.

Almost surely, 2^{313323221113212} is an apocalyptic number.

It is an amenable number.

313323221113212 is an abundant number, since it is smaller than the sum of its proper divisors (421229164567300).

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

313323221113212 is a wasteful number, since it uses less digits than its factorization.

313323221113212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123745348209 (or 123745348207 counting only the distinct ones).

The product of its digits is 7776, while the sum is 30.

Adding to 313323221113212 its reverse (212311122323313), we get a palindrome (525634343436525).

The spelling of 313323221113212 in words is "three hundred thirteen trillion, three hundred twenty-three billion, two hundred twenty-one million, one hundred thirteen thousand, two hundred twelve".