113103321 has 4 divisors (see below), whose sum is σ = 150804432. Its totient is φ = 75402212.

The previous prime is 113103311. The next prime is 113103337. The reversal of 113103321 is 123301311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 113103321 - 2⁹ = 113102809 is a prime.

It is a super-2 number, since 2×113103321² = 25584722442458082, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 113103321.

It is not an unprimeable number, because it can be changed into a prime (113103301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18850551 + ... + 18850556.

It is an arithmetic number, because the mean of its divisors is an integer number (37701108).

Almost surely, 2^113103321 is an apocalyptic number.

It is an amenable number.

113103321 is a deficient number, since it is larger than the sum of its proper divisors (37701111).

113103321 is an equidigital number, since it uses as much as digits as its factorization.

113103321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37701110.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 113103321 is about 10635.0045133982. The cubic root of 113103321 is about 483.6061172287.

Adding to 113103321 its reverse (123301311), we get a palindrome (236404632).

The spelling of 113103321 in words is "one hundred thirteen million, one hundred three thousand, three hundred twenty-one".