33031013113 has 4 divisors (see below), whose sum is σ = 37749729280. Its totient is φ = 28312296948.

The previous prime is 33031013089. The next prime is 33031013123. The reversal of 33031013113 is 31131013033.

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: 31131013033 = 4493 ⋅6928781.

It is a cyclic number.

It is not a de Polignac number, because 33031013113 - 2⁹ = 33031012601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33031013123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2359358073 + ... + 2359358086.

It is an arithmetic number, because the mean of its divisors is an integer number (9437432320).

Almost surely, 2^33031013113 is an apocalyptic number.

It is an amenable number.

33031013113 is a deficient number, since it is larger than the sum of its proper divisors (4718716167).

33031013113 is an equidigital number, since it uses as much as digits as its factorization.

33031013113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4718716166.

The product of its (nonzero) digits is 243, while the sum is 19.

Adding to 33031013113 its reverse (31131013033), we get a palindrome (64162026146).

The spelling of 33031013113 in words is "thirty-three billion, thirty-one million, thirteen thousand, one hundred thirteen".