30205421355 has 8 divisors (see below), whose sum is σ = 48328674192. Its totient is φ = 16109558048.

The previous prime is 30205421341. The next prime is 30205421357. The reversal of 30205421355 is 55312450203.

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 30205421355 - 2⁶ = 30205421291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30205421357) 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, 1006847364 + ... + 1006847393.

It is an arithmetic number, because the mean of its divisors is an integer number (6041084274).

Almost surely, 2^30205421355 is an apocalyptic number.

30205421355 is a deficient number, since it is larger than the sum of its proper divisors (18123252837).

30205421355 is a wasteful number, since it uses less digits than its factorization.

30205421355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2013694765.

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 30205421355 its reverse (55312450203), we get a palindrome (85517871558).

The spelling of 30205421355 in words is "thirty billion, two hundred five million, four hundred twenty-one thousand, three hundred fifty-five".