30320231120203 has 4 divisors (see below), whose sum is σ = 30453800420520. Its totient is φ = 30186661819888.

The previous prime is 30320231120167. The next prime is 30320231120213. The reversal of 30320231120203 is 30202113202303.

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 30320231120203 - 2²⁹ = 30319694249291 is a prime.

It is a super-2 number, since 2×30320231120203² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30320231120213) 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, 66784649818 + ... + 66784650271.

It is an arithmetic number, because the mean of its divisors is an integer number (7613450105130).

Almost surely, 2^{30320231120203} is an apocalyptic number.

30320231120203 is a deficient number, since it is larger than the sum of its proper divisors (133569300317).

30320231120203 is a wasteful number, since it uses less digits than its factorization.

30320231120203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133569300316.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 30320231120203 its reverse (30202113202303), we get a palindrome (60522344322506).

The spelling of 30320231120203 in words is "thirty trillion, three hundred twenty billion, two hundred thirty-one million, one hundred twenty thousand, two hundred three".