2143130111 has 8 divisors (see below), whose sum is σ = 2193972480. Its totient is φ = 2092506328.

The previous prime is 2143130083. The next prime is 2143130113. The reversal of 2143130111 is 1110313412.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2143130111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2143130111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143130113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34721 + ... + 74106.

It is an arithmetic number, because the mean of its divisors is an integer number (274246560).

Almost surely, 2^2143130111 is an apocalyptic number.

2143130111 is a deficient number, since it is larger than the sum of its proper divisors (50842369).

2143130111 is a wasteful number, since it uses less digits than its factorization.

2143130111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109293.

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

The square root of 2143130111 is about 46293.9532876595. The cubic root of 2143130111 is about 1289.2867300613.

Adding to 2143130111 its reverse (1110313412), we get a palindrome (3253443523).

The spelling of 2143130111 in words is "two billion, one hundred forty-three million, one hundred thirty thousand, one hundred eleven".