313201220111 has 16 divisors (see below), whose sum is σ = 357982829568. Its totient is φ = 271456012800.

The previous prime is 313201220107. The next prime is 313201220131. The reversal of 313201220111 is 111022102313.

It is a cyclic number.

It is not a de Polignac number, because 313201220111 - 2² = 313201220107 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 313201220111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313201220131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1590095 + ... + 1776176.

It is an arithmetic number, because the mean of its divisors is an integer number (22373926848).

Almost surely, 2^313201220111 is an apocalyptic number.

313201220111 is a deficient number, since it is larger than the sum of its proper divisors (44781609457).

313201220111 is a wasteful number, since it uses less digits than its factorization.

313201220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3366722.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 313201220111 its reverse (111022102313), we get a palindrome (424223322424).

The spelling of 313201220111 in words is "three hundred thirteen billion, two hundred one million, two hundred twenty thousand, one hundred eleven".