313103221112 has 32 divisors (see below), whose sum is σ = 678111257520. Its totient is φ = 133947901440.

The previous prime is 313103221111. The next prime is 313103221147. The reversal of 313103221112 is 211122301313.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313103221111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104645303 + ... + 104648294.

Almost surely, 2^313103221112 is an apocalyptic number.

It is an amenable number.

313103221112 is an abundant number, since it is smaller than the sum of its proper divisors (365008036408).

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

313103221112 is a wasteful number, since it uses less digits than its factorization.

313103221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209293631 (or 209293627 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 313103221112 its reverse (211122301313), we get a palindrome (524225522425).

The spelling of 313103221112 in words is "three hundred thirteen billion, one hundred three million, two hundred twenty-one thousand, one hundred twelve".