313203216 has 40 divisors (see below), whose sum is σ = 816544960. Its totient is φ = 103441536.

The previous prime is 313203197. The next prime is 313203217. The reversal of 313203216 is 612302313.

It is a junction number, because it is equal to n+sod(n) for n = 313203192 and 313203201.

It is not an unprimeable number, because it can be changed into a prime (313203217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24700 + ... + 35163.

It is an arithmetic number, because the mean of its divisors is an integer number (20413624).

Almost surely, 2^313203216 is an apocalyptic number.

It is an amenable number.

313203216 is an abundant number, since it is smaller than the sum of its proper divisors (503341744).

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

313203216 is a wasteful number, since it uses less digits than its factorization.

313203216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59983 (or 59977 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 313203216 is about 17697.5483047794. The cubic root of 313203216 is about 679.1130419845.

Adding to 313203216 its reverse (612302313), we get a palindrome (925505529).

The spelling of 313203216 in words is "three hundred thirteen million, two hundred three thousand, two hundred sixteen".