313102212 has 24 divisors (see below), whose sum is σ = 755764800. Its totient is φ = 100768416.

The previous prime is 313102187. The next prime is 313102213. The reversal of 313102212 is 212201313.

It is a junction number, because it is equal to n+sod(n) for n = 313102191 and 313102200.

It is not an unprimeable number, because it can be changed into a prime (313102213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 449512 + ... + 450207.

It is an arithmetic number, because the mean of its divisors is an integer number (31490200).

Almost surely, 2^313102212 is an apocalyptic number.

It is an amenable number.

313102212 is an abundant number, since it is smaller than the sum of its proper divisors (442662588).

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

313102212 is a wasteful number, since it uses less digits than its factorization.

313102212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899755 (or 899753 counting only the distinct ones).

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

The square root of 313102212 is about 17694.6944590744. The cubic root of 313102212 is about 679.0400324016.

Adding to 313102212 its reverse (212201313), we get a palindrome (525303525).

The spelling of 313102212 in words is "three hundred thirteen million, one hundred two thousand, two hundred twelve".