33381385103 has 4 divisors (see below), whose sum is σ = 36416056488. Its totient is φ = 30346713720.

The previous prime is 33381385097. The next prime is 33381385111. The reversal of 33381385103 is 30158318333.

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 33381385103 - 2⁶ = 33381385039 is a prime.

It is a super-2 number, since 2×33381385103² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33381384103) 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, 1517335676 + ... + 1517335697.

It is an arithmetic number, because the mean of its divisors is an integer number (9104014122).

Almost surely, 2^33381385103 is an apocalyptic number.

33381385103 is a deficient number, since it is larger than the sum of its proper divisors (3034671385).

33381385103 is a wasteful number, since it uses less digits than its factorization.

33381385103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3034671384.

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 33381385103 in words is "thirty-three billion, three hundred eighty-one million, three hundred eighty-five thousand, one hundred three".