113542321 has 8 divisors (see below), whose sum is σ = 114566400. Its totient is φ = 112522032.

The previous prime is 113542313. The next prime is 113542349. The reversal of 113542321 is 123245311.

It is a happy number.

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 113542321 - 2³ = 113542313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113542292 and 113542301.

It is not an unprimeable number, because it can be changed into a prime (113542361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128146 + ... + 129028.

It is an arithmetic number, because the mean of its divisors is an integer number (14320800).

Almost surely, 2^113542321 is an apocalyptic number.

It is an amenable number.

113542321 is a deficient number, since it is larger than the sum of its proper divisors (1024079).

113542321 is an equidigital number, since it uses as much as digits as its factorization.

113542321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1895.

The product of its digits is 720, while the sum is 22.

The square root of 113542321 is about 10655.6239141591. The cubic root of 113542321 is about 484.2310001415.

Adding to 113542321 its reverse (123245311), we get a palindrome (236787632).

The spelling of 113542321 in words is "one hundred thirteen million, five hundred forty-two thousand, three hundred twenty-one".