3111313112111 has 16 divisors (see below), whose sum is σ = 3134033748384. Its totient is φ = 3088665022464.

The previous prime is 3111313112107. The next prime is 3111313112113. The reversal of 3111313112111 is 1112113131113.

It is a cyclic number.

It is not a de Polignac number, because 3111313112111 - 2² = 3111313112107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3111313112113) 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 15 ways as a sum of consecutive naturals, for example, 416114105 + ... + 416121581.

It is an arithmetic number, because the mean of its divisors is an integer number (195877109274).

Almost surely, 2^{3111313112111} is an apocalyptic number.

3111313112111 is a deficient number, since it is larger than the sum of its proper divisors (22720636273).

3111313112111 is a wasteful number, since it uses less digits than its factorization.

3111313112111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11930.

The product of its digits is 54, while the sum is 20.

Adding to 3111313112111 its reverse (1112113131113), we get a palindrome (4223426243224).

The spelling of 3111313112111 in words is "three trillion, one hundred eleven billion, three hundred thirteen million, one hundred twelve thousand, one hundred eleven".