30203000113021 has 4 divisors (see below), whose sum is σ = 30653791159552. Its totient is φ = 29752209066492.

The previous prime is 30203000113003. The next prime is 30203000113123. The reversal of 30203000113021 is 12031100030203.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30203000113021 - 2⁷ = 30203000112893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30203000112986 and 30203000113004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30203000183021) 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, 225395523165 + ... + 225395523298.

It is an arithmetic number, because the mean of its divisors is an integer number (7663447789888).

Almost surely, 2^{30203000113021} is an apocalyptic number.

It is an amenable number.

30203000113021 is a deficient number, since it is larger than the sum of its proper divisors (450791046531).

30203000113021 is an equidigital number, since it uses as much as digits as its factorization.

30203000113021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450791046530.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 30203000113021 its reverse (12031100030203), we get a palindrome (42234100143224).

The spelling of 30203000113021 in words is "thirty trillion, two hundred three billion, one hundred thirteen thousand, twenty-one".