113311311 has 4 divisors (see below), whose sum is σ = 151081752. Its totient is φ = 75540872.

The previous prime is 113311309. The next prime is 113311339. The reversal of 113311311 is 113113311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113311311 - 2¹ = 113311309 is a prime.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113311301) 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, 18885216 + ... + 18885221.

It is an arithmetic number, because the mean of its divisors is an integer number (37770438).

Almost surely, 2^113311311 is an apocalyptic number.

113311311 is a deficient number, since it is larger than the sum of its proper divisors (37770441).

113311311 is an equidigital number, since it uses as much as digits as its factorization.

113311311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37770440.

The product of its digits is 27, while the sum is 15.

The square root of 113311311 is about 10644.7785791908. The cubic root of 113311311 is about 483.9023762647.

Adding to 113311311 its reverse (113113311), we get a palindrome (226424622).

The spelling of 113311311 in words is "one hundred thirteen million, three hundred eleven thousand, three hundred eleven".