320130030203 has 4 divisors (see below), whose sum is σ = 320289221688. Its totient is φ = 319970838720.

The previous prime is 320130030191. The next prime is 320130030293. The reversal of 320130030203 is 302030031023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302030031023 = 7 ⋅43147147289.

It is a cyclic number.

It is not a de Polignac number, because 320130030203 - 2¹⁶ = 320129964667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320130030293) 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, 79592726 + ... + 79596747.

It is an arithmetic number, because the mean of its divisors is an integer number (80072305422).

Almost surely, 2^320130030203 is an apocalyptic number.

320130030203 is a deficient number, since it is larger than the sum of its proper divisors (159191485).

320130030203 is a wasteful number, since it uses less digits than its factorization.

320130030203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159191484.

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 320130030203 its reverse (302030031023), we get a palindrome (622160061226).

The spelling of 320130030203 in words is "three hundred twenty billion, one hundred thirty million, thirty thousand, two hundred three".