113052321 has 8 divisors (see below), whose sum is σ = 167484960. Its totient is φ = 75368196.

The previous prime is 113052281. The next prime is 113052349. The reversal of 113052321 is 123250311.

It is a de Polignac number, because none of the positive numbers 2^k-113052321 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 113052294 and 113052303.

It is not an unprimeable number, because it can be changed into a prime (113052221) 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 7 ways as a sum of consecutive naturals, for example, 2093535 + ... + 2093588.

It is an arithmetic number, because the mean of its divisors is an integer number (20935620).

Almost surely, 2^113052321 is an apocalyptic number.

It is an amenable number.

113052321 is a deficient number, since it is larger than the sum of its proper divisors (54432639).

113052321 is an equidigital number, since it uses as much as digits as its factorization.

113052321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4187132 (or 4187126 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 113052321 is about 10632.6065007598. The cubic root of 113052321 is about 483.5334178602.

The spelling of 113052321 in words is "one hundred thirteen million, fifty-two thousand, three hundred twenty-one".