313213012031212 has 12 divisors (see below), whose sum is σ = 554726659863096. Its totient is φ = 154719680641760.

The previous prime is 313213012031147. The next prime is 313213012031221. The reversal of 313213012031212 is 212130210312313.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 471706343089 + ... + 471706343752.

It is an arithmetic number, because the mean of its divisors is an integer number (46227221655258).

Almost surely, 2^{313213012031212} is an apocalyptic number.

It is an amenable number.

313213012031212 is a deficient number, since it is larger than the sum of its proper divisors (241513647831884).

313213012031212 is a wasteful number, since it uses less digits than its factorization.

313213012031212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943412686928 (or 943412686926 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 313213012031212 its reverse (212130210312313), we get a palindrome (525343222343525).

The spelling of 313213012031212 in words is "three hundred thirteen trillion, two hundred thirteen billion, twelve million, thirty-one thousand, two hundred twelve".