30012013033 has 4 divisors (see below), whose sum is σ = 30520691280. Its totient is φ = 29503334788.

The previous prime is 30012012991. The next prime is 30012013037. The reversal of 30012013033 is 33031021003.

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: 33031021003 = 6761 ⋅4885523.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30012013033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30012012998 and 30012013016.

It is not an unprimeable number, because it can be changed into a prime (30012013037) 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, 254339035 + ... + 254339152.

It is an arithmetic number, because the mean of its divisors is an integer number (7630172820).

Almost surely, 2^30012013033 is an apocalyptic number.

It is an amenable number.

30012013033 is a deficient number, since it is larger than the sum of its proper divisors (508678247).

30012013033 is an equidigital number, since it uses as much as digits as its factorization.

30012013033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508678246.

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

Adding to 30012013033 its reverse (33031021003), we get a palindrome (63043034036).

The spelling of 30012013033 in words is "thirty billion, twelve million, thirteen thousand, thirty-three".