113143311 has 20 divisors (see below), whose sum is σ = 169413552. Its totient is φ = 75251808.

The previous prime is 113143307. The next prime is 113143319. The reversal of 113143311 is 113341311.

It is not a de Polignac number, because 113143311 - 2² = 113143307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113143319) 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 19 ways as a sum of consecutive naturals, for example, 39355 + ... + 42131.

Almost surely, 2^113143311 is an apocalyptic number.

113143311 is a deficient number, since it is larger than the sum of its proper divisors (56270241).

113143311 is an equidigital number, since it uses as much as digits as its factorization.

113143311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3292 (or 3283 counting only the distinct ones).

The product of its digits is 108, while the sum is 18.

The square root of 113143311 is about 10636.8844592766. The cubic root of 113143311 is about 483.6631068013.

Adding to 113143311 its reverse (113341311), we get a palindrome (226484622).

The spelling of 113143311 in words is "one hundred thirteen million, one hundred forty-three thousand, three hundred eleven".