113213055 has 8 divisors (see below), whose sum is σ = 181140912. Its totient is φ = 60380288.

The previous prime is 113213041. The next prime is 113213099. The reversal of 113213055 is 550312311.

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

It is a cyclic number.

It is not a de Polignac number, because 113213055 - 2⁶ = 113212991 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3773754 + ... + 3773783.

It is an arithmetic number, because the mean of its divisors is an integer number (22642614).

Almost surely, 2^113213055 is an apocalyptic number.

113213055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

113213055 is a deficient number, since it is larger than the sum of its proper divisors (67927857).

113213055 is an equidigital number, since it uses as much as digits as its factorization.

113213055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7547545.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 113213055 is about 10640.1623577838. The cubic root of 113213055 is about 483.7624665444.

Adding to 113213055 its reverse (550312311), we get a palindrome (663525366).

The spelling of 113213055 in words is "one hundred thirteen million, two hundred thirteen thousand, fifty-five".