113143313111 has 4 divisors (see below), whose sum is σ = 113144015712. Its totient is φ = 113142610512.

The previous prime is 113143313033. The next prime is 113143313131. The reversal of 113143313111 is 111313341311.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 111313341311 = 11177 ⋅9959143.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113143313111 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 (113143313131) 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, 23651 + ... + 476283.

It is an arithmetic number, because the mean of its divisors is an integer number (28286003928).

Almost surely, 2^113143313111 is an apocalyptic number.

113143313111 is a deficient number, since it is larger than the sum of its proper divisors (702601).

113143313111 is an equidigital number, since it uses as much as digits as its factorization.

113143313111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702600.

The product of its digits is 324, while the sum is 23.

Adding to 113143313111 its reverse (111313341311), we get a palindrome (224456654422).

The spelling of 113143313111 in words is "one hundred thirteen billion, one hundred forty-three million, three hundred thirteen thousand, one hundred eleven".