33124042013 has 4 divisors (see below), whose sum is σ = 33590577888. Its totient is φ = 32657506140.

The previous prime is 33124041959. The next prime is 33124042051. The reversal of 33124042013 is 31024042133.

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.

It is a cyclic number.

It is not a de Polignac number, because 33124042013 - 2⁸ = 33124041757 is a prime.

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 33124042013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33124042313) 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, 233267831 + ... + 233267972.

It is an arithmetic number, because the mean of its divisors is an integer number (8397644472).

Almost surely, 2^33124042013 is an apocalyptic number.

It is an amenable number.

33124042013 is a deficient number, since it is larger than the sum of its proper divisors (466535875).

33124042013 is an equidigital number, since it uses as much as digits as its factorization.

33124042013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466535874.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 33124042013 its reverse (31024042133), we get a palindrome (64148084146).

The spelling of 33124042013 in words is "thirty-three billion, one hundred twenty-four million, forty-two thousand, thirteen".