33103011013 has 4 divisors (see below), whose sum is σ = 33124634368. Its totient is φ = 33081387660.

The previous prime is 33103010977. The next prime is 33103011017. The reversal of 33103011013 is 31011030133.

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: 31011030133 = 55673 ⋅557021.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33103011013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33103011017) 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, 10809381 + ... + 10812442.

It is an arithmetic number, because the mean of its divisors is an integer number (8281158592).

Almost surely, 2^33103011013 is an apocalyptic number.

It is an amenable number.

33103011013 is a deficient number, since it is larger than the sum of its proper divisors (21623355).

33103011013 is a wasteful number, since it uses less digits than its factorization.

33103011013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21623354.

The product of its (nonzero) digits is 81, while the sum is 16.

Adding to 33103011013 its reverse (31011030133), we get a palindrome (64114041146).

The spelling of 33103011013 in words is "thirty-three billion, one hundred three million, eleven thousand, thirteen".