33013103243 has 4 divisors (see below), whose sum is σ = 33465337608. Its totient is φ = 32560868880.

The previous prime is 33013103239. The next prime is 33013103261. The reversal of 33013103243 is 34230131033.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 33013103243 - 2² = 33013103239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33013103293) 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, 226117073 + ... + 226117218.

It is an arithmetic number, because the mean of its divisors is an integer number (8366334402).

Almost surely, 2^33013103243 is an apocalyptic number.

33013103243 is a deficient number, since it is larger than the sum of its proper divisors (452234365).

33013103243 is an equidigital number, since it uses as much as digits as its factorization.

33013103243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452234364.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 33013103243 its reverse (34230131033), we get a palindrome (67243234276).

The spelling of 33013103243 in words is "thirty-three billion, thirteen million, one hundred three thousand, two hundred forty-three".