113331111 has 8 divisors (see below), whose sum is σ = 155192304. Its totient is φ = 73512000.

The previous prime is 113331091. The next prime is 113331121. The reversal of 113331111 is 111133311.

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

It is not a de Polignac number, because 113331111 - 2⁷ = 113330983 is a prime.

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

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113331121) 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, 510390 + ... + 510611.

It is an arithmetic number, because the mean of its divisors is an integer number (19399038).

Almost surely, 2^113331111 is an apocalyptic number.

113331111 is a deficient number, since it is larger than the sum of its proper divisors (41861193).

113331111 is a wasteful number, since it uses less digits than its factorization.

113331111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021041.

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

The square root of 113331111 is about 10645.7085720021. The cubic root of 113331111 is about 483.9305602972.

Adding to 113331111 its reverse (111133311), we get a palindrome (224464422).

It can be divided in two parts, 1133311 and 11, that multiplied together give a palindrome (12466421).

The spelling of 113331111 in words is "one hundred thirteen million, three hundred thirty-one thousand, one hundred eleven".