3113431111 has 4 divisors (see below), whose sum is σ = 3558206992. Its totient is φ = 2668655232.

The previous prime is 3113431081. The next prime is 3113431117. The reversal of 3113431111 is 1111343113.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1111343113 = 277 ⋅4012069.

It is a cyclic number.

It is not a de Polignac number, because 3113431111 - 2¹⁷ = 3113300039 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 (3113431117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222387930 + ... + 222387943.

It is an arithmetic number, because the mean of its divisors is an integer number (889551748).

Almost surely, 2^3113431111 is an apocalyptic number.

3113431111 is a deficient number, since it is larger than the sum of its proper divisors (444775881).

3113431111 is an equidigital number, since it uses as much as digits as its factorization.

3113431111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444775880.

The product of its digits is 108, while the sum is 19.

The square root of 3113431111 is about 55798.1282033726. The cubic root of 3113431111 is about 1460.2024975587.

Adding to 3113431111 its reverse (1111343113), we get a palindrome (4224774224).

The spelling of 3113431111 in words is "three billion, one hundred thirteen million, four hundred thirty-one thousand, one hundred eleven".