313111223213 has 8 divisors (see below), whose sum is σ = 317962876608. Its totient is φ = 308264815584.

The previous prime is 313111223177. The next prime is 313111223231. The reversal of 313111223213 is 312322111313.

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

It is a cyclic number.

It is not a de Polignac number, because 313111223213 - 2¹⁰ = 313111222189 is a prime.

It is a super-2 number, since 2×313111223213² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313111223813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1191056 + ... + 1429977.

It is an arithmetic number, because the mean of its divisors is an integer number (39745359576).

Almost surely, 2^313111223213 is an apocalyptic number.

It is an amenable number.

313111223213 is a deficient number, since it is larger than the sum of its proper divisors (4851653395).

313111223213 is a wasteful number, since it uses less digits than its factorization.

313111223213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2622883.

The product of its digits is 648, while the sum is 23.

Adding to 313111223213 its reverse (312322111313), we get a palindrome (625433334526).

The spelling of 313111223213 in words is "three hundred thirteen billion, one hundred eleven million, two hundred twenty-three thousand, two hundred thirteen".