113002321 has 8 divisors (see below), whose sum is σ = 115844040. Its totient is φ = 110195712.

The previous prime is 113002319. The next prime is 113002339. The reversal of 113002321 is 123200311.

It can be written as a sum of positive squares in 4 ways, for example, as 1404225 + 111598096 = 1185^2 + 10564^2 .

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 113002321 - 2¹ = 113002319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113003321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2200 + ... + 15193.

It is an arithmetic number, because the mean of its divisors is an integer number (14480505).

Almost surely, 2^113002321 is an apocalyptic number.

It is an amenable number.

113002321 is a deficient number, since it is larger than the sum of its proper divisors (2841719).

113002321 is an equidigital number, since it uses as much as digits as its factorization.

113002321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17555.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 113002321 is about 10630.2549828308. The cubic root of 113002321 is about 483.4621227413.

Adding to 113002321 its reverse (123200311), we get a palindrome (236202632).

The spelling of 113002321 in words is "one hundred thirteen million, two thousand, three hundred twenty-one".