30421055315203 has 4 divisors (see below), whose sum is σ = 34766920360240. Its totient is φ = 26075190270168.

The previous prime is 30421055315117. The next prime is 30421055315213. The reversal of 30421055315203 is 30251355012403.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30421055315203 - 2²⁵ = 30421021760771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30421055315213) 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, 2172932522508 + ... + 2172932522521.

It is an arithmetic number, because the mean of its divisors is an integer number (8691730090060).

Almost surely, 2^{30421055315203} is an apocalyptic number.

30421055315203 is a deficient number, since it is larger than the sum of its proper divisors (4345865045037).

30421055315203 is an equidigital number, since it uses as much as digits as its factorization.

30421055315203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4345865045036.

The product of its (nonzero) digits is 54000, while the sum is 34.

The spelling of 30421055315203 in words is "thirty trillion, four hundred twenty-one billion, fifty-five million, three hundred fifteen thousand, two hundred three".