33001230013 has 4 divisors (see below), whose sum is σ = 33002468188. Its totient is φ = 32999991840.

The previous prime is 33001230011. The next prime is 33001230029. The reversal of 33001230013 is 31003210033.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31003210033 = 83 ⋅373532651.

It can be written as a sum of positive squares in 2 ways, for example, as 23152056964 + 9849173049 = 152158^2 + 99243^2 .

It is a cyclic number.

It is not a de Polignac number, because 33001230013 - 2¹ = 33001230011 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 (33001230011) 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, 578208 + ... + 632713.

It is an arithmetic number, because the mean of its divisors is an integer number (8250617047).

Almost surely, 2^33001230013 is an apocalyptic number.

It is an amenable number.

33001230013 is a deficient number, since it is larger than the sum of its proper divisors (1238175).

33001230013 is a wasteful number, since it uses less digits than its factorization.

33001230013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238174.

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 33001230013 its reverse (31003210033), we get a palindrome (64004440046).

The spelling of 33001230013 in words is "thirty-three billion, one million, two hundred thirty thousand, thirteen".