20030003231 has 4 divisors (see below), whose sum is σ = 22891432272. Its totient is φ = 17168574192.

The previous prime is 20030003219. The next prime is 20030003233. The reversal of 20030003231 is 13230003002.

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

It is not a de Polignac number, because 20030003231 - 2³⁰ = 18956261407 is a prime.

It is a super-2 number, since 2×20030003231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20030003233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1430714510 + ... + 1430714523.

It is an arithmetic number, because the mean of its divisors is an integer number (5722858068).

Almost surely, 2^20030003231 is an apocalyptic number.

20030003231 is a deficient number, since it is larger than the sum of its proper divisors (2861429041).

20030003231 is an equidigital number, since it uses as much as digits as its factorization.

20030003231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2861429040.

The product of its (nonzero) digits is 108, while the sum is 14.

Adding to 20030003231 its reverse (13230003002), we get a palindrome (33260006233).

The spelling of 20030003231 in words is "twenty billion, thirty million, three thousand, two hundred thirty-one".