2003020231 has 4 divisors (see below), whose sum is σ = 2006135992. Its totient is φ = 1999904472.

The previous prime is 2003020219. The next prime is 2003020241. The reversal of 2003020231 is 1320203002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1320203002 = 2 ⋅660101501.

It is a cyclic number.

It is not a de Polignac number, because 2003020231 - 2¹⁷ = 2002889159 is a prime.

It is a super-2 number, since 2×2003020231² = 8024180091590586722, which 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 (2003020241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1556916 + ... + 1558201.

It is an arithmetic number, because the mean of its divisors is an integer number (501533998).

Almost surely, 2^2003020231 is an apocalyptic number.

2003020231 is a deficient number, since it is larger than the sum of its proper divisors (3115761).

2003020231 is an equidigital number, since it uses as much as digits as its factorization.

2003020231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3115760.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 2003020231 is about 44755.1140206346. The cubic root of 2003020231 is about 1260.5549396883.

Adding to 2003020231 its reverse (1320203002), we get a palindrome (3323223233).

The spelling of 2003020231 in words is "two billion, three million, twenty thousand, two hundred thirty-one".