113331320033 has 4 divisors (see below), whose sum is σ = 113332667028. Its totient is φ = 113329973040.

The previous prime is 113331320021. The next prime is 113331320041. The reversal of 113331320033 is 330023133311.

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 105968478784 + 7362841249 = 325528^2 + 85807^2 .

It is a cyclic number.

It is not a de Polignac number, because 113331320033 - 2¹⁴ = 113331303649 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 113331319990 and 113331320008.

It is not an unprimeable number, because it can be changed into a prime (113331320083) 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, 538238 + ... + 718583.

It is an arithmetic number, because the mean of its divisors is an integer number (28333166757).

Almost surely, 2^113331320033 is an apocalyptic number.

It is an amenable number.

113331320033 is a deficient number, since it is larger than the sum of its proper divisors (1346995).

113331320033 is an equidigital number, since it uses as much as digits as its factorization.

113331320033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346994.

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 113331320033 its reverse (330023133311), we get a palindrome (443354453344).

The spelling of 113331320033 in words is "one hundred thirteen billion, three hundred thirty-one million, three hundred twenty thousand, thirty-three".