113553331321 has 8 divisors (see below), whose sum is σ = 117042244704. Its totient is φ = 110102969760.

The previous prime is 113553331301. The next prime is 113553331357. The reversal of 113553331321 is 123133355311.

It is a happy number.

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 113553331321 - 2⁵ = 113553331289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113553331301) 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, 9631975 + ... + 9643756.

It is an arithmetic number, because the mean of its divisors is an integer number (14630280588).

Almost surely, 2^113553331321 is an apocalyptic number.

It is an amenable number.

113553331321 is a deficient number, since it is larger than the sum of its proper divisors (3488913383).

113553331321 is a wasteful number, since it uses less digits than its factorization.

113553331321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19275911.

The product of its digits is 12150, while the sum is 31.

Adding to 113553331321 its reverse (123133355311), we get a palindrome (236686686632).

The spelling of 113553331321 in words is "one hundred thirteen billion, five hundred fifty-three million, three hundred thirty-one thousand, three hundred twenty-one".