2313111111 has 8 divisors (see below), whose sum is σ = 3084612720. Its totient is φ = 1541841792.

The previous prime is 2313111109. The next prime is 2313111113. The reversal of 2313111111 is 1111113132.

It is an interprime number because it is at equal distance from previous prime (2313111109) and next prime (2313111113).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2313111111 - 2¹ = 2313111109 is a prime.

2313111111 is a modest number, since divided by 111111 gives 2313 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2313111113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33330 + ... + 75743.

It is an arithmetic number, because the mean of its divisors is an integer number (385576590).

Almost surely, 2^2313111111 is an apocalyptic number.

2313111111 is a deficient number, since it is larger than the sum of its proper divisors (771501609).

2313111111 is a wasteful number, since it uses less digits than its factorization.

2313111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116145.

The product of its digits is 18, while the sum is 15.

The square root of 2313111111 is about 48094.8137640640. The cubic root of 2313111111 is about 1322.5095949742.

Adding to 2313111111 its reverse (1111113132), we get a palindrome (3424224243).

The spelling of 2313111111 in words is "two billion, three hundred thirteen million, one hundred eleven thousand, one hundred eleven".