113211830 has 8 divisors (see below), whose sum is σ = 203781312. Its totient is φ = 45284728.

The previous prime is 113211821. The next prime is 113211859. The reversal of 113211830 is 38112311.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5660582 + ... + 5660601.

It is an arithmetic number, because the mean of its divisors is an integer number (25472664).

Almost surely, 2^113211830 is an apocalyptic number.

113211830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113211830 is a deficient number, since it is larger than the sum of its proper divisors (90569482).

113211830 is a wasteful number, since it uses less digits than its factorization.

113211830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11321190.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 113211830 is about 10640.1047927170. The cubic root of 113211830 is about 483.7607217186.

The spelling of 113211830 in words is "one hundred thirteen million, two hundred eleven thousand, eight hundred thirty".