113313133120321 has 4 divisors (see below), whose sum is σ = 113670587799252. Its totient is φ = 112955678441392.

The previous prime is 113313133120309. The next prime is 113313133120391. The reversal of 113313133120321 is 123021331313311.

It is a happy number.

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 65738123489025 + 47575009631296 = 8107905^2 + 6897464^2 .

It is a cyclic number.

It is not a de Polignac number, because 113313133120321 - 2¹⁷ = 113313132989249 is a prime.

It is a super-2 number, since 2×113313133120321² (a number of 29 digits) contains 22 as substring.

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 113313133120321.

It is not an unprimeable number, because it can be changed into a prime (113313133120391) 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, 178727338990 + ... + 178727339623.

It is an arithmetic number, because the mean of its divisors is an integer number (28417646949813).

Almost surely, 2^{113313133120321} is an apocalyptic number.

It is an amenable number.

113313133120321 is a deficient number, since it is larger than the sum of its proper divisors (357454678931).

113313133120321 is an equidigital number, since it uses as much as digits as its factorization.

113313133120321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357454678930.

The product of its (nonzero) digits is 2916, while the sum is 28.

Adding to 113313133120321 its reverse (123021331313311), we get a palindrome (236334464433632).

The spelling of 113313133120321 in words is "one hundred thirteen trillion, three hundred thirteen billion, one hundred thirty-three million, one hundred twenty thousand, three hundred twenty-one".