30011233031021 has 8 divisors (see below), whose sum is σ = 32741031294144. Its totient is φ = 27281685493120.

The previous prime is 30011233030979. The next prime is 30011233031027. The reversal of 30011233031021 is 12013033211003.

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

It is a cyclic number.

It is not a de Polignac number, because 30011233031021 - 2³⁰ = 30010159289197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30011233030984 and 30011233031002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30011233031027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62430980 + ... + 62909853.

It is an arithmetic number, because the mean of its divisors is an integer number (4092628911768).

Almost surely, 2^{30011233031021} is an apocalyptic number.

It is an amenable number.

30011233031021 is a deficient number, since it is larger than the sum of its proper divisors (2729798263123).

30011233031021 is a wasteful number, since it uses less digits than its factorization.

30011233031021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125362611.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 30011233031021 its reverse (12013033211003), we get a palindrome (42024266242024).

The spelling of 30011233031021 in words is "thirty trillion, eleven billion, two hundred thirty-three million, thirty-one thousand, twenty-one".