113441321 has 6 divisors (see below), whose sum is σ = 131962410. Its totient is φ = 97235376.

The previous prime is 113441311. The next prime is 113441327. The reversal of 113441321 is 123144311.

It can be written as a sum of positive squares in only one way, i.e., 86025625 + 27415696 = 9275^2 + 5236^2 .

It is not a de Polignac number, because 113441321 - 2⁶ = 113441257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113441293 and 113441302.

It is not an unprimeable number, because it can be changed into a prime (113441327) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1157516 + ... + 1157613.

It is an arithmetic number, because the mean of its divisors is an integer number (21993735).

Almost surely, 2^113441321 is an apocalyptic number.

It is an amenable number.

113441321 is a deficient number, since it is larger than the sum of its proper divisors (18521089).

113441321 is an equidigital number, since it uses as much as digits as its factorization.

113441321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2315143 (or 2315136 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

The square root of 113441321 is about 10650.8835783704. The cubic root of 113441321 is about 484.0873772193.

Adding to 113441321 its reverse (123144311), we get a palindrome (236585632).

The spelling of 113441321 in words is "one hundred thirteen million, four hundred forty-one thousand, three hundred twenty-one".