313322321340212 has 6 divisors (see below), whose sum is σ = 548314062345378. Its totient is φ = 156661160670104.

The previous prime is 313322321340199. The next prime is 313322321340283. The reversal of 313322321340212 is 212043123223313.

It can be written as a sum of positive squares in only one way, i.e., 201535387971856 + 111786933368356 = 14196316^2 + 10572934^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39165290167523 + ... + 39165290167530.

It is an arithmetic number, because the mean of its divisors is an integer number (91385677057563).

Almost surely, 2^{313322321340212} is an apocalyptic number.

It is an amenable number.

313322321340212 is a deficient number, since it is larger than the sum of its proper divisors (234991741005166).

313322321340212 is a wasteful number, since it uses less digits than its factorization.

313322321340212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78330580335057 (or 78330580335055 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 313322321340212 its reverse (212043123223313), we get a palindrome (525365444563525).

The spelling of 313322321340212 in words is "three hundred thirteen trillion, three hundred twenty-two billion, three hundred twenty-one million, three hundred forty thousand, two hundred twelve".