30013133021 has 8 divisors (see below), whose sum is σ = 33160290624. Its totient is φ = 27019495360.

The previous prime is 30013132999. The next prime is 30013133047. The reversal of 30013133021 is 12033131003.

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

It is a de Polignac number, because none of the positive numbers 2^k-30013133021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30013133221) 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, 38379575 + ... + 38380356.

It is an arithmetic number, because the mean of its divisors is an integer number (4145036328).

Almost surely, 2^30013133021 is an apocalyptic number.

It is an amenable number.

30013133021 is a deficient number, since it is larger than the sum of its proper divisors (3147157603).

30013133021 is a wasteful number, since it uses less digits than its factorization.

30013133021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76759971.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 30013133021 its reverse (12033131003), we get a palindrome (42046264024).

The spelling of 30013133021 in words is "thirty billion, thirteen million, one hundred thirty-three thousand, twenty-one".