113003012321 has 4 divisors (see below), whose sum is σ = 113009401092. Its totient is φ = 112996623552.

The previous prime is 113003012303. The next prime is 113003012341. The reversal of 113003012321 is 123210300311.

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 67093950625 + 45909061696 = 259025^2 + 214264^2 .

It is a cyclic number.

It is not a de Polignac number, because 113003012321 - 2⁶ = 113003012257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113003012321.

It is not an unprimeable number, because it can be changed into a prime (113003012341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3167780 + ... + 3203253.

It is an arithmetic number, because the mean of its divisors is an integer number (28252350273).

Almost surely, 2^113003012321 is an apocalyptic number.

It is an amenable number.

113003012321 is a deficient number, since it is larger than the sum of its proper divisors (6388771).

113003012321 is an equidigital number, since it uses as much as digits as its factorization.

113003012321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6388770.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 113003012321 its reverse (123210300311), we get a palindrome (236213312632).

The spelling of 113003012321 in words is "one hundred thirteen billion, three million, twelve thousand, three hundred twenty-one".