30021135315451 has 8 divisors (see below), whose sum is σ = 36328096516320. Its totient is φ = 24218731010688.

The previous prime is 30021135315403. The next prime is 30021135315469. The reversal of 30021135315451 is 15451353112003.

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 30021135315451 - 2¹⁷ = 30021135184379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30021135319451) 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, 126139223896 + ... + 126139224133.

It is an arithmetic number, because the mean of its divisors is an integer number (4541012064540).

Almost surely, 2^{30021135315451} is an apocalyptic number.

30021135315451 is a deficient number, since it is larger than the sum of its proper divisors (6306961200869).

30021135315451 is a wasteful number, since it uses less digits than its factorization.

30021135315451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252278448053.

The product of its (nonzero) digits is 27000, while the sum is 34.

Adding to 30021135315451 its reverse (15451353112003), we get a palindrome (45472488427454).

The spelling of 30021135315451 in words is "thirty trillion, twenty-one billion, one hundred thirty-five million, three hundred fifteen thousand, four hundred fifty-one".