113313210321 has 4 divisors (see below), whose sum is σ = 151084280432. Its totient is φ = 75542140212.

The previous prime is 113313210313. The next prime is 113313210323. The reversal of 113313210321 is 123012313311.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 123012313311 = 3 ⋅41004104437.

It is not a de Polignac number, because 113313210321 - 2³ = 113313210313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113313210323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18885535051 + ... + 18885535056.

It is an arithmetic number, because the mean of its divisors is an integer number (37771070108).

Almost surely, 2^113313210321 is an apocalyptic number.

It is an amenable number.

113313210321 is a deficient number, since it is larger than the sum of its proper divisors (37771070111).

113313210321 is an equidigital number, since it uses as much as digits as its factorization.

113313210321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37771070110.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 113313210321 its reverse (123012313311), we get a palindrome (236325523632).

The spelling of 113313210321 in words is "one hundred thirteen billion, three hundred thirteen million, two hundred ten thousand, three hundred twenty-one".