313201212111 has 24 divisors (see below), whose sum is σ = 469205027200. Its totient is φ = 208779598872.

The previous prime is 313201212109. The next prime is 313201212151. The reversal of 313201212111 is 111212102313.

313201212111 is a `hidden beast` number, since 313 + 20 + 121 + 211 + 1 = 666.

It is not a de Polignac number, because 313201212111 - 2¹ = 313201212109 is a prime.

It is a super-2 number, since 2×313201212111² (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 (313201212151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2545590 + ... + 2665788.

Almost surely, 2^313201212111 is an apocalyptic number.

313201212111 is a deficient number, since it is larger than the sum of its proper divisors (156003815089).

313201212111 is a wasteful number, since it uses less digits than its factorization.

313201212111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130937 (or 130925 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 313201212111 its reverse (111212102313), we get a palindrome (424413314424).

The spelling of 313201212111 in words is "three hundred thirteen billion, two hundred one million, two hundred twelve thousand, one hundred eleven".