113996321 has 4 divisors (see below), whose sum is σ = 115005252. Its totient is φ = 112987392.

The previous prime is 113996317. The next prime is 113996347. The reversal of 113996321 is 123699311.

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

It can be written as a sum of positive squares in 2 ways, for example, as 52765696 + 61230625 = 7264^2 + 7825^2 .

It is a cyclic number.

It is not a de Polignac number, because 113996321 - 2² = 113996317 is a prime.

It is a super-3 number, since 3×113996321³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113996381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 504296 + ... + 504521.

It is an arithmetic number, because the mean of its divisors is an integer number (28751313).

Almost surely, 2^113996321 is an apocalyptic number.

It is an amenable number.

113996321 is a deficient number, since it is larger than the sum of its proper divisors (1008931).

113996321 is a wasteful number, since it uses less digits than its factorization.

113996321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008930.

The product of its digits is 8748, while the sum is 35.

The square root of 113996321 is about 10676.9059656813. The cubic root of 113996321 is about 484.8755425153.

The spelling of 113996321 in words is "one hundred thirteen million, nine hundred ninety-six thousand, three hundred twenty-one".