313011213 has 4 divisors (see below), whose sum is σ = 417348288. Its totient is φ = 208674140.

The previous prime is 313011199. The next prime is 313011217. The reversal of 313011213 is 312110313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 313011213 - 2⁹ = 313010701 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 313011192 and 313011201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313011217) 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 3 ways as a sum of consecutive naturals, for example, 52168533 + ... + 52168538.

It is an arithmetic number, because the mean of its divisors is an integer number (104337072).

Almost surely, 2^313011213 is an apocalyptic number.

It is an amenable number.

313011213 is a deficient number, since it is larger than the sum of its proper divisors (104337075).

313011213 is a wasteful number, since it uses less digits than its factorization.

313011213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104337074.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 313011213 is about 17692.1229082324. The cubic root of 313011213 is about 678.9742413715.

Adding to 313011213 its reverse (312110313), we get a palindrome (625121526).

The spelling of 313011213 in words is "three hundred thirteen million, eleven thousand, two hundred thirteen".