33133332013 has 8 divisors (see below), whose sum is σ = 33294685248. Its totient is φ = 32972247264.

The previous prime is 33133331977. The next prime is 33133332049. The reversal of 33133332013 is 31023333133.

It is an interprime number because it is at equal distance from previous prime (33133331977) and next prime (33133332049).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33133332013 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 (33133332073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182545 + ... + 315577.

It is an arithmetic number, because the mean of its divisors is an integer number (4161835656).

Almost surely, 2^33133332013 is an apocalyptic number.

It is an amenable number.

33133332013 is a deficient number, since it is larger than the sum of its proper divisors (161353235).

33133332013 is a wasteful number, since it uses less digits than its factorization.

33133332013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134243.

The product of its (nonzero) digits is 4374, while the sum is 25.

Adding to 33133332013 its reverse (31023333133), we get a palindrome (64156665146).

The spelling of 33133332013 in words is "thirty-three billion, one hundred thirty-three million, three hundred thirty-two thousand, thirteen".