310320100212 has 48 divisors (see below), whose sum is σ = 747581356032. Its totient is φ = 100122462720.

The previous prime is 310320100159. The next prime is 310320100241. The reversal of 310320100212 is 212001023013.

It is a junction number, because it is equal to n+sod(n) for n = 310320100191 and 310320100200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2420713 + ... + 2545680.

It is an arithmetic number, because the mean of its divisors is an integer number (15574611584).

Almost surely, 2^310320100212 is an apocalyptic number.

It is an amenable number.

310320100212 is an abundant number, since it is smaller than the sum of its proper divisors (437261255820).

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

310320100212 is a wasteful number, since it uses less digits than its factorization.

310320100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4966568 (or 4966566 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 310320100212 its reverse (212001023013), we get a palindrome (522321123225).

The spelling of 310320100212 in words is "three hundred ten billion, three hundred twenty million, one hundred thousand, two hundred twelve".