313203213 has 16 divisors (see below), whose sum is σ = 484179840. Its totient is φ = 199723392.

The previous prime is 313203197. The next prime is 313203217. The reversal of 313203213 is 312302313.

It is not a de Polignac number, because 313203213 - 2⁴ = 313203197 is a prime.

It is a congruent number.

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 (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251556 + ... + 252797.

It is an arithmetic number, because the mean of its divisors is an integer number (30261240).

Almost surely, 2^313203213 is an apocalyptic number.

It is an amenable number.

313203213 is a deficient number, since it is larger than the sum of its proper divisors (170976627).

313203213 is a wasteful number, since it uses less digits than its factorization.

313203213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504385 (or 504379 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 313203213 is about 17697.5482200219. The cubic root of 313203213 is about 679.1130398162.

Adding to 313203213 its reverse (312302313), we get a palindrome (625505526).

The spelling of 313203213 in words is "three hundred thirteen million, two hundred three thousand, two hundred thirteen".