2231111113 has 16 divisors (see below), whose sum is σ = 2902588416. Its totient is φ = 1662938640.

The previous prime is 2231111111. The next prime is 2231111147. The reversal of 2231111113 is 3111111322.

It is a happy number.

It is not a de Polignac number, because 2231111113 - 2¹ = 2231111111 is a prime.

It is a super-3 number, since 3×2231111113³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2231111111) 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, 628131 + ... + 631672.

It is an arithmetic number, because the mean of its divisors is an integer number (181411776).

Almost surely, 2^2231111113 is an apocalyptic number.

2231111113 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2231111113 is a deficient number, since it is larger than the sum of its proper divisors (671477303).

2231111113 is a wasteful number, since it uses less digits than its factorization.

2231111113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259844.

The product of its digits is 36, while the sum is 16.

The square root of 2231111113 is about 47234.6389104437. The cubic root of 2231111113 is about 1306.6935071523.

Adding to 2231111113 its reverse (3111111322), we get a palindrome (5342222435).

It can be divided in two parts, 22 and 31111113, that multiplied together give a palindrome (684444486).

The spelling of 2231111113 in words is "two billion, two hundred thirty-one million, one hundred eleven thousand, one hundred thirteen".