313212311 has 8 divisors (see below), whose sum is σ = 318549024. Its totient is φ = 307901440.

The previous prime is 313212299. The next prime is 313212323. The reversal of 313212311 is 113212313.

It is an interprime number because it is at equal distance from previous prime (313212299) and next prime (313212323).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 313212311 - 2¹⁰ = 313211287 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 313212311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313212611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18815 + ... + 31311.

It is an arithmetic number, because the mean of its divisors is an integer number (39818628).

Almost surely, 2^313212311 is an apocalyptic number.

313212311 is a deficient number, since it is larger than the sum of its proper divisors (5336713).

313212311 is a wasteful number, since it uses less digits than its factorization.

313212311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12921.

The product of its digits is 108, while the sum is 17.

The square root of 313212311 is about 17697.8052594100. The cubic root of 313212311 is about 679.1196154306.

Adding to 313212311 its reverse (113212313), we get a palindrome (426424624).

The spelling of 313212311 in words is "three hundred thirteen million, two hundred twelve thousand, three hundred eleven".